25490470

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1993}}^1$

素因数の和:3279

約数の個数: 16

約数和(自身を含む): 45941760

約数和(自身を除く): 20451290

約数列:

[1, 2, 5, 10, 1279, 1993, 2558, 3986, 6395, 9965, 12790, 19930, 2549047, 5098094, 12745235, 25490470]

約数ペア:

[(1, 25490470), (2, 12745235), (5, 5098094), (10, 2549047), (1279, 19930), (1993, 12790), (2558, 9965), (3986, 6395)]