804568540

素因数分解:

$2^2\times 5^1\times {\mathrm{40228427}}^1$

素因数の和:40228436

約数の個数: 12

約数和(自身を含む): 1689593976

約数和(自身を除く): 885025436

約数列:

[1, 2, 4, 5, 10, 20, 40228427, 80456854, 160913708, 201142135, 402284270, 804568540]

約数ペア:

[(1, 804568540), (2, 402284270), (4, 201142135), (5, 160913708), (10, 80456854), (20, 40228427)]