12965240

素因数分解:

$2^3\times 5^1\times {\mathrm{324131}}^1$

素因数の和:324142

約数の個数: 16

約数和(自身を含む): 29171880

約数和(自身を除く): 16206640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 324131, 648262, 1296524, 1620655, 2593048, 3241310, 6482620, 12965240]

約数ペア:

[(1, 12965240), (2, 6482620), (4, 3241310), (5, 2593048), (8, 1620655), (10, 1296524), (20, 648262), (40, 324131)]