2828920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 6415200

約数和(自身を除く): 3586280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 359, 394, 718, 788, 985, 1436, 1576, 1795, 1970, 2872, 3590, 3940, 7180, 7880, 14360, 70723, 141446, 282892, 353615, 565784, 707230, 1414460, 2828920]

約数ペア:

[(1, 2828920), (2, 1414460), (4, 707230), (5, 565784), (8, 353615), (10, 282892), (20, 141446), (40, 70723), (197, 14360), (359, 7880), (394, 7180), (718, 3940), (788, 3590), (985, 2872), (1436, 1970), (1576, 1795)]