25383640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4259}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 57510000

約数和(自身を除く): 32126360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4259, 5960, 8518, 17036, 21295, 34072, 42590, 85180, 170360, 634591, 1269182, 2538364, 3172955, 5076728, 6345910, 12691820, 25383640]

約数ペア:

[(1, 25383640), (2, 12691820), (4, 6345910), (5, 5076728), (8, 3172955), (10, 2538364), (20, 1269182), (40, 634591), (149, 170360), (298, 85180), (596, 42590), (745, 34072), (1192, 21295), (1490, 17036), (2980, 8518), (4259, 5960)]