71072180

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3343}}^1$

素因数の和:4415

約数の個数: 24

約数和(自身を含む): 149436672

約数和(自身を除く): 78364492

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 3343, 4252, 5315, 6686, 10630, 13372, 16715, 21260, 33430, 66860, 3553609, 7107218, 14214436, 17768045, 35536090, 71072180]

約数ペア:

[(1, 71072180), (2, 35536090), (4, 17768045), (5, 14214436), (10, 7107218), (20, 3553609), (1063, 66860), (2126, 33430), (3343, 21260), (4252, 16715), (5315, 13372), (6686, 10630)]