82165480

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6691}}^1$

素因数の和:7009

約数の個数: 32

約数和(自身を含む): 185502240

約数和(自身を除く): 103336760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6691, 12280, 13382, 26764, 33455, 53528, 66910, 133820, 267640, 2054137, 4108274, 8216548, 10270685, 16433096, 20541370, 41082740, 82165480]

約数ペア:

[(1, 82165480), (2, 41082740), (4, 20541370), (5, 16433096), (8, 10270685), (10, 8216548), (20, 4108274), (40, 2054137), (307, 267640), (614, 133820), (1228, 66910), (1535, 53528), (2456, 33455), (3070, 26764), (6140, 13382), (6691, 12280)]