804527480

素因数分解:

$2^3\times 5^1\times {\mathrm{20113187}}^1$

素因数の和:20113198

約数の個数: 16

約数和(自身を含む): 1810186920

約数和(自身を除く): 1005659440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20113187, 40226374, 80452748, 100565935, 160905496, 201131870, 402263740, 804527480]

約数ペア:

[(1, 804527480), (2, 402263740), (4, 201131870), (5, 160905496), (8, 100565935), (10, 80452748), (20, 40226374), (40, 20113187)]