9957940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11579}}^1$

素因数の和:11631

約数の個数: 24

約数和(自身を含む): 21399840

約数和(自身を除く): 11441900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 11579, 23158, 46316, 57895, 115790, 231580, 497897, 995794, 1991588, 2489485, 4978970, 9957940]

約数ペア:

[(1, 9957940), (2, 4978970), (4, 2489485), (5, 1991588), (10, 995794), (20, 497897), (43, 231580), (86, 115790), (172, 57895), (215, 46316), (430, 23158), (860, 11579)]