31897640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7057}}^1$

素因数の和:7181

約数の個数: 32

約数和(自身を含む): 72415080

約数和(自身を除く): 40517440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 7057, 14114, 28228, 35285, 56456, 70570, 141140, 282280, 797441, 1594882, 3189764, 3987205, 6379528, 7974410, 15948820, 31897640]

約数ペア:

[(1, 31897640), (2, 15948820), (4, 7974410), (5, 6379528), (8, 3987205), (10, 3189764), (20, 1594882), (40, 797441), (113, 282280), (226, 141140), (452, 70570), (565, 56456), (904, 35285), (1130, 28228), (2260, 14114), (4520, 7057)]