31435960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11069}}^1$

素因数の和:11151

約数の個数: 32

約数和(自身を含む): 71733600

約数和(自身を除く): 40297640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 11069, 22138, 44276, 55345, 88552, 110690, 221380, 442760, 785899, 1571798, 3143596, 3929495, 6287192, 7858990, 15717980, 31435960]

約数ペア:

[(1, 31435960), (2, 15717980), (4, 7858990), (5, 6287192), (8, 3929495), (10, 3143596), (20, 1571798), (40, 785899), (71, 442760), (142, 221380), (284, 110690), (355, 88552), (568, 55345), (710, 44276), (1420, 22138), (2840, 11069)]