8186140

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 17250912

約数和(自身を除く): 9064772

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1031, 1588, 1985, 2062, 3970, 4124, 5155, 7940, 10310, 20620, 409307, 818614, 1637228, 2046535, 4093070, 8186140]

約数ペア:

[(1, 8186140), (2, 4093070), (4, 2046535), (5, 1637228), (10, 818614), (20, 409307), (397, 20620), (794, 10310), (1031, 7940), (1588, 5155), (1985, 4124), (2062, 3970)]