633456080

素因数分解:

$2^4\times 5^1\times {\mathrm{7918201}}^1$

素因数の和:7918214

約数の個数: 20

約数和(自身を含む): 1472785572

約数和(自身を除く): 839329492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7918201, 15836402, 31672804, 39591005, 63345608, 79182010, 126691216, 158364020, 316728040, 633456080]

約数ペア:

[(1, 633456080), (2, 316728040), (4, 158364020), (5, 126691216), (8, 79182010), (10, 63345608), (16, 39591005), (20, 31672804), (40, 15836402), (80, 7918201)]