51027580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12821}}^1$

素因数の和:13029

約数の個数: 24

約数和(自身を含む): 107704800

約数和(自身を除く): 56677220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 12821, 25642, 51284, 64105, 128210, 256420, 2551379, 5102758, 10205516, 12756895, 25513790, 51027580]

約数ペア:

[(1, 51027580), (2, 25513790), (4, 12756895), (5, 10205516), (10, 5102758), (20, 2551379), (199, 256420), (398, 128210), (796, 64105), (995, 51284), (1990, 25642), (3980, 12821)]