72455080

素因数分解:

$2^3\times 5^1\times {\mathrm{1811377}}^1$

素因数の和:1811388

約数の個数: 16

約数和(自身を含む): 163024020

約数和(自身を除く): 90568940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811377, 3622754, 7245508, 9056885, 14491016, 18113770, 36227540, 72455080]

約数ペア:

[(1, 72455080), (2, 36227540), (4, 18113770), (5, 14491016), (8, 9056885), (10, 7245508), (20, 3622754), (40, 1811377)]