61322980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9859}}^1$

素因数の和:10179

約数の個数: 24

約数和(自身を含む): 129205440

約数和(自身を除く): 67882460

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 9859, 19718, 39436, 49295, 98590, 197180, 3066149, 6132298, 12264596, 15330745, 30661490, 61322980]

約数ペア:

[(1, 61322980), (2, 30661490), (4, 15330745), (5, 12264596), (10, 6132298), (20, 3066149), (311, 197180), (622, 98590), (1244, 49295), (1555, 39436), (3110, 19718), (6220, 9859)]