51937360

素因数分解:

$2^4\times 5^1\times {\mathrm{649217}}^1$

素因数の和:649230

約数の個数: 20

約数和(自身を含む): 120754548

約数和(自身を除く): 68817188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649217, 1298434, 2596868, 3246085, 5193736, 6492170, 10387472, 12984340, 25968680, 51937360]

約数ペア:

[(1, 51937360), (2, 25968680), (4, 12984340), (5, 10387472), (8, 6492170), (10, 5193736), (16, 3246085), (20, 2596868), (40, 1298434), (80, 649217)]