8539240

素因数分解:

$2^3\times 5^1\times {\mathrm{213481}}^1$

素因数の和:213492

約数の個数: 16

約数和(自身を含む): 19213380

約数和(自身を除く): 10674140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 213481, 426962, 853924, 1067405, 1707848, 2134810, 4269620, 8539240]

約数ペア:

[(1, 8539240), (2, 4269620), (4, 2134810), (5, 1707848), (8, 1067405), (10, 853924), (20, 426962), (40, 213481)]