287672080

素因数分解:

$2^4\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{2087}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 669546432

約数和(自身を除く): 381874352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1723, 2087, 3446, 4174, 6892, 8348, 8615, 10435, 13784, 16696, 17230, 20870, 27568, 33392, 34460, 41740, 68920, 83480, 137840, 166960, 3595901, 7191802, 14383604, 17979505, 28767208, 35959010, 57534416, 71918020, 143836040, 287672080]

約数ペア:

[(1, 287672080), (2, 143836040), (4, 71918020), (5, 57534416), (8, 35959010), (10, 28767208), (16, 17979505), (20, 14383604), (40, 7191802), (80, 3595901), (1723, 166960), (2087, 137840), (3446, 83480), (4174, 68920), (6892, 41740), (8348, 34460), (8615, 33392), (10435, 27568), (13784, 20870), (16696, 17230)]