57878020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{47441}}^1$

素因数の和:47511

約数の個数: 24

約数和(自身を含む): 123538968

約数和(自身を除く): 65660948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 47441, 94882, 189764, 237205, 474410, 948820, 2893901, 5787802, 11575604, 14469505, 28939010, 57878020]

約数ペア:

[(1, 57878020), (2, 28939010), (4, 14469505), (5, 11575604), (10, 5787802), (20, 2893901), (61, 948820), (122, 474410), (244, 237205), (305, 189764), (610, 94882), (1220, 47441)]