66558160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6551}}^1$

素因数の和:6691

約数の個数: 40

約数和(自身を含む): 155990016

約数和(自身を除く): 89431856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6551, 10160, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 262040, 524080, 831977, 1663954, 3327908, 4159885, 6655816, 8319770, 13311632, 16639540, 33279080, 66558160]

約数ペア:

[(1, 66558160), (2, 33279080), (4, 16639540), (5, 13311632), (8, 8319770), (10, 6655816), (16, 4159885), (20, 3327908), (40, 1663954), (80, 831977), (127, 524080), (254, 262040), (508, 131020), (635, 104816), (1016, 65510), (1270, 52408), (2032, 32755), (2540, 26204), (5080, 13102), (6551, 10160)]