25340660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6367}}^1$

素因数の和:6575

約数の個数: 24

約数和(自身を含む): 53491200

約数和(自身を除く): 28150540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 6367, 12734, 25468, 31835, 63670, 127340, 1267033, 2534066, 5068132, 6335165, 12670330, 25340660]

約数ペア:

[(1, 25340660), (2, 12670330), (4, 6335165), (5, 5068132), (10, 2534066), (20, 1267033), (199, 127340), (398, 63670), (796, 31835), (995, 25468), (1990, 12734), (3980, 6367)]