56085620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6661}}^1$

素因数の和:7091

約数の個数: 24

約数和(自身を含む): 118077288

約数和(自身を除く): 61991668

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 6661, 8420, 13322, 26644, 33305, 66610, 133220, 2804281, 5608562, 11217124, 14021405, 28042810, 56085620]

約数ペア:

[(1, 56085620), (2, 28042810), (4, 14021405), (5, 11217124), (10, 5608562), (20, 2804281), (421, 133220), (842, 66610), (1684, 33305), (2105, 26644), (4210, 13322), (6661, 8420)]