1636700225

素因数分解:

$5^2\times {\mathrm{839}}^1\times {\mathrm{78031}}^1$

素因数の和:78880

約数の個数: 12

約数和(自身を含む): 2031953280

約数和(自身を除く): 395253055

約数列:

[1, 5, 25, 839, 4195, 20975, 78031, 390155, 1950775, 65468009, 327340045, 1636700225]

約数ペア:

[(1, 1636700225), (5, 327340045), (25, 65468009), (839, 1950775), (4195, 390155), (20975, 78031)]