8175625

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 20

約数和(自身を含む): 10396672

約数和(自身を除く): 2221047

約数列:

[1, 5, 25, 103, 125, 127, 515, 625, 635, 2575, 3175, 12875, 13081, 15875, 64375, 65405, 79375, 327025, 1635125, 8175625]

約数ペア:

[(1, 8175625), (5, 1635125), (25, 327025), (103, 79375), (125, 65405), (127, 64375), (515, 15875), (625, 13081), (635, 12875), (2575, 3175)]