81470225

素因数分解:

$5^2\times {\mathrm{461}}^1\times {\mathrm{7069}}^1$

素因数の和:7540

約数の個数: 12

約数和(自身を含む): 101256540

約数和(自身を除く): 19786315

約数列:

[1, 5, 25, 461, 2305, 7069, 11525, 35345, 176725, 3258809, 16294045, 81470225]

約数ペア:

[(1, 81470225), (5, 16294045), (25, 3258809), (461, 176725), (2305, 35345), (7069, 11525)]