25401875

素因数分解:

$5^4\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:536

約数の個数: 20

約数和(自身を含む): 32145960

約数和(自身を除く): 6744085

約数列:

[1, 5, 25, 97, 125, 419, 485, 625, 2095, 2425, 10475, 12125, 40643, 52375, 60625, 203215, 261875, 1016075, 5080375, 25401875]

約数ペア:

[(1, 25401875), (5, 5080375), (25, 1016075), (97, 261875), (125, 203215), (419, 60625), (485, 52375), (625, 40643), (2095, 12125), (2425, 10475)]