8539231640

素因数分解:

$2^3\times 5^1\times {\mathrm{213480791}}^1$

素因数の和:213480802

約数の個数: 16

約数和(自身を含む): 19213271280

約数和(自身を除く): 10674039640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 213480791, 426961582, 853923164, 1067403955, 1707846328, 2134807910, 4269615820, 8539231640]

約数ペア:

[(1, 8539231640), (2, 4269615820), (4, 2134807910), (5, 1707846328), (8, 1067403955), (10, 853923164), (20, 426961582), (40, 213480791)]