12648380

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2351}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 26671680

約数和(自身を除く): 14023300

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2351, 2690, 4702, 5380, 9404, 11755, 23510, 47020, 632419, 1264838, 2529676, 3162095, 6324190, 12648380]

約数ペア:

[(1, 12648380), (2, 6324190), (4, 3162095), (5, 2529676), (10, 1264838), (20, 632419), (269, 47020), (538, 23510), (1076, 11755), (1345, 9404), (2351, 5380), (2690, 4702)]