80905495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 29410025

約数列:

[1, 5, 11, 37, 55, 83, 185, 407, 415, 479, 913, 2035, 2395, 3071, 4565, 5269, 15355, 17723, 26345, 33781, 39757, 88615, 168905, 194953, 198785, 437327, 974765, 1471009, 2186635, 7355045, 16181099, 80905495]

約数ペア:

[(1, 80905495), (5, 16181099), (11, 7355045), (37, 2186635), (55, 1471009), (83, 974765), (185, 437327), (407, 198785), (415, 194953), (479, 168905), (913, 88615), (2035, 39757), (2395, 33781), (3071, 26345), (4565, 17723), (5269, 15355)]