12715580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20509}}^1$

素因数の和:20549

約数の個数: 24

約数和(自身を含む): 27565440

約数和(自身を除く): 14849860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20509, 41018, 82036, 102545, 205090, 410180, 635779, 1271558, 2543116, 3178895, 6357790, 12715580]

約数ペア:

[(1, 12715580), (2, 6357790), (4, 3178895), (5, 2543116), (10, 1271558), (20, 635779), (31, 410180), (62, 205090), (124, 102545), (155, 82036), (310, 41018), (620, 20509)]