80267480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4391}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 181038240

約数和(自身を除く): 100770760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4391, 4570, 8782, 9140, 17564, 18280, 21955, 35128, 43910, 87820, 175640, 2006687, 4013374, 8026748, 10033435, 16053496, 20066870, 40133740, 80267480]

約数ペア:

[(1, 80267480), (2, 40133740), (4, 20066870), (5, 16053496), (8, 10033435), (10, 8026748), (20, 4013374), (40, 2006687), (457, 175640), (914, 87820), (1828, 43910), (2285, 35128), (3656, 21955), (4391, 18280), (4570, 17564), (8782, 9140)]