81882440

素因数分解:

$2^3\times 5^1\times {\mathrm{2047061}}^1$

素因数の和:2047072

約数の個数: 16

約数和(自身を含む): 184235580

約数和(自身を除く): 102353140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2047061, 4094122, 8188244, 10235305, 16376488, 20470610, 40941220, 81882440]

約数ペア:

[(1, 81882440), (2, 40941220), (4, 20470610), (5, 16376488), (8, 10235305), (10, 8188244), (20, 4094122), (40, 2047061)]