13420228825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31577009}}^1$

素因数の和:31577036

約数の個数: 12

約数和(自身を含む): 17619971580

約数和(自身を除く): 4199742755

約数列:

[1, 5, 17, 25, 85, 425, 31577009, 157885045, 536809153, 789425225, 2684045765, 13420228825]

約数ペア:

[(1, 13420228825), (5, 2684045765), (17, 789425225), (25, 536809153), (85, 157885045), (425, 31577009)]