90378021260

素因数分解:

$2^2\times 5^1\times {\mathrm{4518901063}}^1$

素因数の和:4518901072

約数の個数: 12

約数和(自身を含む): 189793844688

約数和(自身を除く): 99415823428

約数列:

[1, 2, 4, 5, 10, 20, 4518901063, 9037802126, 18075604252, 22594505315, 45189010630, 90378021260]

約数ペア:

[(1, 90378021260), (2, 45189010630), (4, 22594505315), (5, 18075604252), (10, 9037802126), (20, 4518901063)]