22218125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 20

約数和(自身を含む): 29240640

約数和(自身を除く): 7022515

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1871, 2375, 9355, 11875, 35549, 46775, 177745, 233875, 888725, 1169375, 4443625, 22218125]

約数ペア:

[(1, 22218125), (5, 4443625), (19, 1169375), (25, 888725), (95, 233875), (125, 177745), (475, 46775), (625, 35549), (1871, 11875), (2375, 9355)]