25397260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181409}}^1$

素因数の和:181425

約数の個数: 24

約数和(自身を含む): 60953760

約数和(自身を除く): 35556500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181409, 362818, 725636, 907045, 1269863, 1814090, 2539726, 3628180, 5079452, 6349315, 12698630, 25397260]

約数ペア:

[(1, 25397260), (2, 12698630), (4, 6349315), (5, 5079452), (7, 3628180), (10, 2539726), (14, 1814090), (20, 1269863), (28, 907045), (35, 725636), (70, 362818), (140, 181409)]