66627940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14939}}^1$

素因数の和:15171

約数の個数: 24

約数和(自身を含む): 140555520

約数和(自身を除く): 73927580

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 14939, 29878, 59756, 74695, 149390, 298780, 3331397, 6662794, 13325588, 16656985, 33313970, 66627940]

約数ペア:

[(1, 66627940), (2, 33313970), (4, 16656985), (5, 13325588), (10, 6662794), (20, 3331397), (223, 298780), (446, 149390), (892, 74695), (1115, 59756), (2230, 29878), (4460, 14939)]