28444960

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 39292640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1279, 1390, 2224, 2558, 2780, 4448, 5116, 5560, 6395, 10232, 11120, 12790, 20464, 22240, 25580, 40928, 51160, 102320, 177781, 204640, 355562, 711124, 888905, 1422248, 1777810, 2844496, 3555620, 5688992, 7111240, 14222480, 28444960]

約数ペア:

[(1, 28444960), (2, 14222480), (4, 7111240), (5, 5688992), (8, 3555620), (10, 2844496), (16, 1777810), (20, 1422248), (32, 888905), (40, 711124), (80, 355562), (139, 204640), (160, 177781), (278, 102320), (556, 51160), (695, 40928), (1112, 25580), (1279, 22240), (1390, 20464), (2224, 12790), (2558, 11120), (2780, 10232), (4448, 6395), (5116, 5560)]