3999260

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 8436960

約数和(自身を除く): 4437700

約数列:

[1, 2, 4, 5, 10, 20, 359, 557, 718, 1114, 1436, 1795, 2228, 2785, 3590, 5570, 7180, 11140, 199963, 399926, 799852, 999815, 1999630, 3999260]

約数ペア:

[(1, 3999260), (2, 1999630), (4, 999815), (5, 799852), (10, 399926), (20, 199963), (359, 11140), (557, 7180), (718, 5570), (1114, 3590), (1436, 2785), (1795, 2228)]