30961780

素因数分解:

$2^2\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1289}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 65124360

約数和(自身を除く): 34162580

約数列:

[1, 2, 4, 5, 10, 20, 1201, 1289, 2402, 2578, 4804, 5156, 6005, 6445, 12010, 12890, 24020, 25780, 1548089, 3096178, 6192356, 7740445, 15480890, 30961780]

約数ペア:

[(1, 30961780), (2, 15480890), (4, 7740445), (5, 6192356), (10, 3096178), (20, 1548089), (1201, 25780), (1289, 24020), (2402, 12890), (2578, 12010), (4804, 6445), (5156, 6005)]