12681980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3797}}^1$

素因数の和:3973

約数の個数: 24

約数和(自身を含む): 26798688

約数和(自身を除く): 14116708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 3797, 7594, 15188, 18985, 37970, 75940, 634099, 1268198, 2536396, 3170495, 6340990, 12681980]

約数ペア:

[(1, 12681980), (2, 6340990), (4, 3170495), (5, 2536396), (10, 1268198), (20, 634099), (167, 75940), (334, 37970), (668, 18985), (835, 15188), (1670, 7594), (3340, 3797)]