67630625

素因数分解:

$5^4\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:710

約数の個数: 20

約数和(自身を含む): 85050900

約数和(自身を除く): 17420275

約数列:

[1, 5, 25, 125, 241, 449, 625, 1205, 2245, 6025, 11225, 30125, 56125, 108209, 150625, 280625, 541045, 2705225, 13526125, 67630625]

約数ペア:

[(1, 67630625), (5, 13526125), (25, 2705225), (125, 541045), (241, 280625), (449, 150625), (625, 108209), (1205, 56125), (2245, 30125), (6025, 11225)]