Will this work with a MacBook Pro 13" with the M1?

Yes, the Lenovo ThinkVision P40w-20 monitor should work with a MacBook Pro 13" with the M1 chip, as it supports Thunderbolt 4, which is compatible with the MacBook Pro M1's Thunderbolt 3/USB 4 ports.

Questions & Answers: Lenovo ThinkVision P40w-20 39.7" 5120 x 2160 (5K) 75 Hz HDMI, DisplayPort, Thunderbolt 4, USB Curved Monitor

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Lenovo ThinkVision P40w-20 39.7" 5120 x 2160 (5K) 75 Hz HDMI, DisplayPort, Thunderbolt 4, USB Curved Monitor

39.7"
IPS
75Hz
1,000:1
1.07 Billion
Tilt Angle (Front / Back): -5°/ 22°
Swivel Angle (Left / Right): -45°/ 45°
Lift (Max. Range): 130 mm
1 x DisplayPort 1.4 / 1 x HDMI 2.0 / 2 x Thunderbolt 4 USB Upstream:
1 x USB 3.2 Gen 1 (1 by USB Type-B)
1 x Thunderbolt 4
USB Downstream:
4 x USB 3.2 Gen 1 Type-A
1 x USB 3.2 Gen 1 Type-C
1 x Thunderbolt 4
Monitor with stand
1 x Power cable (1.8 m)
1 x Thunderbolt 4 cable (40 Gbps)
Quick setup guide
Factory calibration report

$1,717^.90 –