66700225

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{25903}}^1$

素因数の和:26016

約数の個数: 12

約数和(自身を含む): 83514496

約数和(自身を除く): 16814271

約数列:

[1, 5, 25, 103, 515, 2575, 25903, 129515, 647575, 2668009, 13340045, 66700225]

約数ペア:

[(1, 66700225), (5, 13340045), (25, 2668009), (103, 647575), (515, 129515), (2575, 25903)]