204044080

素因数分解:

$2^4\times 5^1\times {\mathrm{2550551}}^1$

素因数の和:2550564

約数の個数: 20

約数和(自身を含む): 474402672

約数和(自身を除く): 270358592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550551, 5101102, 10202204, 12752755, 20404408, 25505510, 40808816, 51011020, 102022040, 204044080]

約数ペア:

[(1, 204044080), (2, 102022040), (4, 51011020), (5, 40808816), (8, 25505510), (10, 20404408), (16, 12752755), (20, 10202204), (40, 5101102), (80, 2550551)]