28716640

素因数分解:

$2^5\times 5^1\times {\mathrm{179479}}^1$

素因数の和:179494

約数の個数: 24

約数和(自身を含む): 67843440

約数和(自身を除く): 39126800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179479, 358958, 717916, 897395, 1435832, 1794790, 2871664, 3589580, 5743328, 7179160, 14358320, 28716640]

約数ペア:

[(1, 28716640), (2, 14358320), (4, 7179160), (5, 5743328), (8, 3589580), (10, 2871664), (16, 1794790), (20, 1435832), (32, 897395), (40, 717916), (80, 358958), (160, 179479)]