25237375

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2115

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 6586625

約数列:

[1, 5, 25, 101, 125, 505, 1999, 2525, 9995, 12625, 49975, 201899, 249875, 1009495, 5047475, 25237375]

約数ペア:

[(1, 25237375), (5, 5047475), (25, 1009495), (101, 249875), (125, 201899), (505, 49975), (1999, 12625), (2525, 9995)]