30905960

素因数分解:

$2^3\times 5^1\times {\mathrm{772649}}^1$

素因数の和:772660

約数の個数: 16

約数和(自身を含む): 69538500

約数和(自身を除く): 38632540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 772649, 1545298, 3090596, 3863245, 6181192, 7726490, 15452980, 30905960]

約数ペア:

[(1, 30905960), (2, 15452980), (4, 7726490), (5, 6181192), (8, 3863245), (10, 3090596), (20, 1545298), (40, 772649)]