12480625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1090

約数の個数: 20

約数和(自身を含む): 16432240

約数和(自身を除く): 3951615

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1051, 2375, 5255, 11875, 19969, 26275, 99845, 131375, 499225, 656875, 2496125, 12480625]

約数ペア:

[(1, 12480625), (5, 2496125), (19, 656875), (25, 499225), (95, 131375), (125, 99845), (475, 26275), (625, 19969), (1051, 11875), (2375, 5255)]