31090660

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6971}}^1$

素因数の和:7203

約数の個数: 24

約数和(自身を含む): 65592576

約数和(自身を除く): 34501916

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6971, 13942, 27884, 34855, 69710, 139420, 1554533, 3109066, 6218132, 7772665, 15545330, 31090660]

約数ペア:

[(1, 31090660), (2, 15545330), (4, 7772665), (5, 6218132), (10, 3109066), (20, 1554533), (223, 139420), (446, 69710), (892, 34855), (1115, 27884), (2230, 13942), (4460, 6971)]