85731820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104551}}^1$

素因数の和:104601

約数の個数: 24

約数和(自身を含む): 184429728

約数和(自身を除く): 98697908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104551, 209102, 418204, 522755, 1045510, 2091020, 4286591, 8573182, 17146364, 21432955, 42865910, 85731820]

約数ペア:

[(1, 85731820), (2, 42865910), (4, 21432955), (5, 17146364), (10, 8573182), (20, 4286591), (41, 2091020), (82, 1045510), (164, 522755), (205, 418204), (410, 209102), (820, 104551)]