31912225

素因数分解:

$5^2\times {\mathrm{409}}^1\times {\mathrm{3121}}^1$

素因数の和:3540

約数の個数: 12

約数和(自身を含む): 39680620

約数和(自身を除く): 7768395

約数列:

[1, 5, 25, 409, 2045, 3121, 10225, 15605, 78025, 1276489, 6382445, 31912225]

約数ペア:

[(1, 31912225), (5, 6382445), (25, 1276489), (409, 78025), (2045, 15605), (3121, 10225)]