15130625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 19381296

約数和(自身を除く): 4250671

約数列:

[1, 5, 25, 43, 125, 215, 563, 625, 1075, 2815, 5375, 14075, 24209, 26875, 70375, 121045, 351875, 605225, 3026125, 15130625]

約数ペア:

[(1, 15130625), (5, 3026125), (25, 605225), (43, 351875), (125, 121045), (215, 70375), (563, 26875), (625, 24209), (1075, 14075), (2815, 5375)]