57221380

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11971}}^1$

素因数の和:12219

約数の個数: 24

約数和(自身を含む): 120677760

約数和(自身を除く): 63456380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 11971, 23942, 47884, 59855, 119710, 239420, 2861069, 5722138, 11444276, 14305345, 28610690, 57221380]

約数ペア:

[(1, 57221380), (2, 28610690), (4, 14305345), (5, 11444276), (10, 5722138), (20, 2861069), (239, 239420), (478, 119710), (956, 59855), (1195, 47884), (2390, 23942), (4780, 11971)]