25968680

素因数分解:

$2^3\times 5^1\times {\mathrm{649217}}^1$

素因数の和:649228

約数の個数: 16

約数和(自身を含む): 58429620

約数和(自身を除く): 32460940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 649217, 1298434, 2596868, 3246085, 5193736, 6492170, 12984340, 25968680]

約数ペア:

[(1, 25968680), (2, 12984340), (4, 6492170), (5, 5193736), (8, 3246085), (10, 2596868), (20, 1298434), (40, 649217)]