12740810

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1571}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 22976352

約数和(自身を除く): 10235542

約数列:

[1, 2, 5, 10, 811, 1571, 1622, 3142, 4055, 7855, 8110, 15710, 1274081, 2548162, 6370405, 12740810]

約数ペア:

[(1, 12740810), (2, 6370405), (5, 2548162), (10, 1274081), (811, 15710), (1571, 8110), (1622, 7855), (3142, 4055)]