79667080

素因数分解:

$2^3\times 5^1\times {\mathrm{1991677}}^1$

素因数の和:1991688

約数の個数: 16

約数和(自身を含む): 179251020

約数和(自身を除く): 99583940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1991677, 3983354, 7966708, 9958385, 15933416, 19916770, 39833540, 79667080]

約数ペア:

[(1, 79667080), (2, 39833540), (4, 19916770), (5, 15933416), (8, 9958385), (10, 7966708), (20, 3983354), (40, 1991677)]