12859640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5449}}^1$

素因数の和:5519

約数の個数: 32

約数和(自身を含む): 29430000

約数和(自身を除く): 16570360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 5449, 10898, 21796, 27245, 43592, 54490, 108980, 217960, 321491, 642982, 1285964, 1607455, 2571928, 3214910, 6429820, 12859640]

約数ペア:

[(1, 12859640), (2, 6429820), (4, 3214910), (5, 2571928), (8, 1607455), (10, 1285964), (20, 642982), (40, 321491), (59, 217960), (118, 108980), (236, 54490), (295, 43592), (472, 27245), (590, 21796), (1180, 10898), (2360, 5449)]