208519180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{95651}}^1$

素因数の和:95769

約数の個数: 24

約数和(自身を含む): 441912240

約数和(自身を除く): 233393060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 95651, 191302, 382604, 478255, 956510, 1913020, 10425959, 20851918, 41703836, 52129795, 104259590, 208519180]

約数ペア:

[(1, 208519180), (2, 104259590), (4, 52129795), (5, 41703836), (10, 20851918), (20, 10425959), (109, 1913020), (218, 956510), (436, 478255), (545, 382604), (1090, 191302), (2180, 95651)]