66310780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{16661}}^1$

素因数の和:16869

約数の個数: 24

約数和(自身を含む): 139960800

約数和(自身を除く): 73650020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 16661, 33322, 66644, 83305, 166610, 333220, 3315539, 6631078, 13262156, 16577695, 33155390, 66310780]

約数ペア:

[(1, 66310780), (2, 33155390), (4, 16577695), (5, 13262156), (10, 6631078), (20, 3315539), (199, 333220), (398, 166610), (796, 83305), (995, 66644), (1990, 33322), (3980, 16661)]