12619240

素因数分解:

$2^3\times 5^1\times {\mathrm{315481}}^1$

素因数の和:315492

約数の個数: 16

約数和(自身を含む): 28393380

約数和(自身を除く): 15774140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 315481, 630962, 1261924, 1577405, 2523848, 3154810, 6309620, 12619240]

約数ペア:

[(1, 12619240), (2, 6309620), (4, 3154810), (5, 2523848), (8, 1577405), (10, 1261924), (20, 630962), (40, 315481)]