201907840

素因数分解:

$2^7\times 5^1\times {\mathrm{315481}}^1$

素因数の和:315500

約数の個数: 32

約数和(自身を含む): 482687460

約数和(自身を除く): 280779620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315481, 630962, 1261924, 1577405, 2523848, 3154810, 5047696, 6309620, 10095392, 12619240, 20190784, 25238480, 40381568, 50476960, 100953920, 201907840]

約数ペア:

[(1, 201907840), (2, 100953920), (4, 50476960), (5, 40381568), (8, 25238480), (10, 20190784), (16, 12619240), (20, 10095392), (32, 6309620), (40, 5047696), (64, 3154810), (80, 2523848), (128, 1577405), (160, 1261924), (320, 630962), (640, 315481)]