129126512080

素因数分解:

$2^4\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{686551}}^1$

素因数の和:688915

約数の個数: 40

約数和(自身を含む): 300347276544

約数和(自身を除く): 171220764464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2351, 4702, 9404, 11755, 18808, 23510, 37616, 47020, 94040, 188080, 686551, 1373102, 2746204, 3432755, 5492408, 6865510, 10984816, 13731020, 27462040, 54924080, 1614081401, 3228162802, 6456325604, 8070407005, 12912651208, 16140814010, 25825302416, 32281628020, 64563256040, 129126512080]

約数ペア:

[(1, 129126512080), (2, 64563256040), (4, 32281628020), (5, 25825302416), (8, 16140814010), (10, 12912651208), (16, 8070407005), (20, 6456325604), (40, 3228162802), (80, 1614081401), (2351, 54924080), (4702, 27462040), (9404, 13731020), (11755, 10984816), (18808, 6865510), (23510, 5492408), (37616, 3432755), (47020, 2746204), (94040, 1373102), (188080, 686551)]