204426440

素因数分解:

$2^3\times 5^1\times {\mathrm{5110661}}^1$

素因数の和:5110672

約数の個数: 16

約数和(自身を含む): 459959580

約数和(自身を除く): 255533140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5110661, 10221322, 20442644, 25553305, 40885288, 51106610, 102213220, 204426440]

約数ペア:

[(1, 204426440), (2, 102213220), (4, 51106610), (5, 40885288), (8, 25553305), (10, 20442644), (20, 10221322), (40, 5110661)]