8667940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10079}}^1$

素因数の和:10131

約数の個数: 24

約数和(自身を含む): 18627840

約数和(自身を除く): 9959900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10079, 20158, 40316, 50395, 100790, 201580, 433397, 866794, 1733588, 2166985, 4333970, 8667940]

約数ペア:

[(1, 8667940), (2, 4333970), (4, 2166985), (5, 1733588), (10, 866794), (20, 433397), (43, 201580), (86, 100790), (172, 50395), (215, 40316), (430, 20158), (860, 10079)]