80009120

素因数分解:

$2^5\times 5^1\times {\mathrm{500057}}^1$

素因数の和:500072

約数の個数: 24

約数和(自身を含む): 189021924

約数和(自身を除く): 109012804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 500057, 1000114, 2000228, 2500285, 4000456, 5000570, 8000912, 10001140, 16001824, 20002280, 40004560, 80009120]

約数ペア:

[(1, 80009120), (2, 40004560), (4, 20002280), (5, 16001824), (8, 10001140), (10, 8000912), (16, 5000570), (20, 4000456), (32, 2500285), (40, 2000228), (80, 1000114), (160, 500057)]