79251080

素因数分解:

$2^3\times 5^1\times {\mathrm{1981277}}^1$

素因数の和:1981288

約数の個数: 16

約数和(自身を含む): 178315020

約数和(自身を除く): 99063940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1981277, 3962554, 7925108, 9906385, 15850216, 19812770, 39625540, 79251080]

約数ペア:

[(1, 79251080), (2, 39625540), (4, 19812770), (5, 15850216), (8, 9906385), (10, 7925108), (20, 3962554), (40, 1981277)]