72108980

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{3881}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 151630920

約数和(自身を除く): 79521940

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 3716, 3881, 4645, 7762, 9290, 15524, 18580, 19405, 38810, 77620, 3605449, 7210898, 14421796, 18027245, 36054490, 72108980]

約数ペア:

[(1, 72108980), (2, 36054490), (4, 18027245), (5, 14421796), (10, 7210898), (20, 3605449), (929, 77620), (1858, 38810), (3716, 19405), (3881, 18580), (4645, 15524), (7762, 9290)]