25078975

素因数分解:

$5^2\times {\mathrm{71}}^2\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 18

約数和(自身を含む): 31700600

約数和(自身を除く): 6621625

約数列:

[1, 5, 25, 71, 199, 355, 995, 1775, 4975, 5041, 14129, 25205, 70645, 126025, 353225, 1003159, 5015795, 25078975]

約数ペア:

[(1, 25078975), (5, 5015795), (25, 1003159), (71, 353225), (199, 126025), (355, 70645), (995, 25205), (1775, 14129), (4975, 5041)]