8163340

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2137}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 17240832

約数和(自身を除く): 9077492

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 2137, 3820, 4274, 8548, 10685, 21370, 42740, 408167, 816334, 1632668, 2040835, 4081670, 8163340]

約数ペア:

[(1, 8163340), (2, 4081670), (4, 2040835), (5, 1632668), (10, 816334), (20, 408167), (191, 42740), (382, 21370), (764, 10685), (955, 8548), (1910, 4274), (2137, 3820)]