80452360

素因数分解:

$2^3\times 5^1\times {\mathrm{2011309}}^1$

素因数の和:2011320

約数の個数: 16

約数和(自身を含む): 181017900

約数和(自身を除く): 100565540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011309, 4022618, 8045236, 10056545, 16090472, 20113090, 40226180, 80452360]

約数ペア:

[(1, 80452360), (2, 40226180), (4, 20113090), (5, 16090472), (8, 10056545), (10, 8045236), (20, 4022618), (40, 2011309)]