12525625

素因数分解:

$5^4\times 7^2\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 30

約数和(自身を含む): 18251970

約数和(自身を除く): 5726345

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 409, 625, 875, 1225, 2045, 2863, 4375, 6125, 10225, 14315, 20041, 30625, 51125, 71575, 100205, 255625, 357875, 501025, 1789375, 2505125, 12525625]

約数ペア:

[(1, 12525625), (5, 2505125), (7, 1789375), (25, 501025), (35, 357875), (49, 255625), (125, 100205), (175, 71575), (245, 51125), (409, 30625), (625, 20041), (875, 14315), (1225, 10225), (2045, 6125), (2863, 4375)]