85525520

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2381}}^1$

素因数の和:2843

約数の個数: 40

約数和(自身を含む): 199373400

約数和(自身を除く): 113847880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 2381, 3592, 4490, 4762, 7184, 8980, 9524, 11905, 17960, 19048, 23810, 35920, 38096, 47620, 95240, 190480, 1069069, 2138138, 4276276, 5345345, 8552552, 10690690, 17105104, 21381380, 42762760, 85525520]

約数ペア:

[(1, 85525520), (2, 42762760), (4, 21381380), (5, 17105104), (8, 10690690), (10, 8552552), (16, 5345345), (20, 4276276), (40, 2138138), (80, 1069069), (449, 190480), (898, 95240), (1796, 47620), (2245, 38096), (2381, 35920), (3592, 23810), (4490, 19048), (4762, 17960), (7184, 11905), (8980, 9524)]