15117940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17579}}^1$

素因数の和:17631

約数の個数: 24

約数和(自身を含む): 32487840

約数和(自身を除く): 17369900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 17579, 35158, 70316, 87895, 175790, 351580, 755897, 1511794, 3023588, 3779485, 7558970, 15117940]

約数ペア:

[(1, 15117940), (2, 7558970), (4, 3779485), (5, 3023588), (10, 1511794), (20, 755897), (43, 351580), (86, 175790), (172, 87895), (215, 70316), (430, 35158), (860, 17579)]