8681980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4057}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 18407088

約数和(自身を除く): 9725108

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 4057, 8114, 16228, 20285, 40570, 81140, 434099, 868198, 1736396, 2170495, 4340990, 8681980]

約数ペア:

[(1, 8681980), (2, 4340990), (4, 2170495), (5, 1736396), (10, 868198), (20, 434099), (107, 81140), (214, 40570), (428, 20285), (535, 16228), (1070, 8114), (2140, 4057)]