12796600340

素因数分解:

$2^2\times 5^1\times {\mathrm{639830017}}^1$

素因数の和:639830026

約数の個数: 12

約数和(自身を含む): 26872860756

約数和(自身を除く): 14076260416

約数列:

[1, 2, 4, 5, 10, 20, 639830017, 1279660034, 2559320068, 3199150085, 6398300170, 12796600340]

約数ペア:

[(1, 12796600340), (2, 6398300170), (4, 3199150085), (5, 2559320068), (10, 1279660034), (20, 639830017)]