30987640

素因数分解:

$2^3\times 5^1\times {\mathrm{774691}}^1$

素因数の和:774702

約数の個数: 16

約数和(自身を含む): 69722280

約数和(自身を除く): 38734640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 774691, 1549382, 3098764, 3873455, 6197528, 7746910, 15493820, 30987640]

約数ペア:

[(1, 30987640), (2, 15493820), (4, 7746910), (5, 6197528), (8, 3873455), (10, 3098764), (20, 1549382), (40, 774691)]