31072820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6967}}^1$

素因数の和:7199

約数の個数: 24

約数和(自身を含む): 65554944

約数和(自身を除く): 34482124

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6967, 13934, 27868, 34835, 69670, 139340, 1553641, 3107282, 6214564, 7768205, 15536410, 31072820]

約数ペア:

[(1, 31072820), (2, 15536410), (4, 7768205), (5, 6214564), (10, 3107282), (20, 1553641), (223, 139340), (446, 69670), (892, 34835), (1115, 27868), (2230, 13934), (4460, 6967)]