635191420

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{39161}}^1$

素因数の和:39981

約数の個数: 24

約数和(自身を含む): 1335580848

約数和(自身を除く): 700389428

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 16220, 39161, 78322, 156644, 195805, 391610, 783220, 31759571, 63519142, 127038284, 158797855, 317595710, 635191420]

約数ペア:

[(1, 635191420), (2, 317595710), (4, 158797855), (5, 127038284), (10, 63519142), (20, 31759571), (811, 783220), (1622, 391610), (3244, 195805), (4055, 156644), (8110, 78322), (16220, 39161)]