12485380

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3449}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 26371800

約数和(自身を除く): 13886420

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3449, 3620, 6898, 13796, 17245, 34490, 68980, 624269, 1248538, 2497076, 3121345, 6242690, 12485380]

約数ペア:

[(1, 12485380), (2, 6242690), (4, 3121345), (5, 2497076), (10, 1248538), (20, 624269), (181, 68980), (362, 34490), (724, 17245), (905, 13796), (1810, 6898), (3449, 3620)]