82999120

素因数分解:

$2^4\times 5^1\times {\mathrm{1037489}}^1$

素因数の和:1037502

約数の個数: 20

約数和(自身を含む): 192973140

約数和(自身を除く): 109974020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1037489, 2074978, 4149956, 5187445, 8299912, 10374890, 16599824, 20749780, 41499560, 82999120]

約数ペア:

[(1, 82999120), (2, 41499560), (4, 20749780), (5, 16599824), (8, 10374890), (10, 8299912), (16, 5187445), (20, 4149956), (40, 2074978), (80, 1037489)]