2891620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 6116544

約数和(自身を除く): 3224924

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 887, 1630, 1774, 3260, 3548, 4435, 8870, 17740, 144581, 289162, 578324, 722905, 1445810, 2891620]

約数ペア:

[(1, 2891620), (2, 1445810), (4, 722905), (5, 578324), (10, 289162), (20, 144581), (163, 17740), (326, 8870), (652, 4435), (815, 3548), (887, 3260), (1630, 1774)]