8894120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5225

約数の個数: 32

約数和(自身を含む): 20481120

約数和(自身を除く): 11587000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5171, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 222353, 444706, 889412, 1111765, 1778824, 2223530, 4447060, 8894120]

約数ペア:

[(1, 8894120), (2, 4447060), (4, 2223530), (5, 1778824), (8, 1111765), (10, 889412), (20, 444706), (40, 222353), (43, 206840), (86, 103420), (172, 51710), (215, 41368), (344, 25855), (430, 20684), (860, 10342), (1720, 5171)]