3927640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 8910000

約数和(自身を除く): 4982360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 659, 745, 1192, 1318, 1490, 2636, 2980, 3295, 5272, 5960, 6590, 13180, 26360, 98191, 196382, 392764, 490955, 785528, 981910, 1963820, 3927640]

約数ペア:

[(1, 3927640), (2, 1963820), (4, 981910), (5, 785528), (8, 490955), (10, 392764), (20, 196382), (40, 98191), (149, 26360), (298, 13180), (596, 6590), (659, 5960), (745, 5272), (1192, 3295), (1318, 2980), (1490, 2636)]