80504560

素因数分解:

$2^4\times 5^1\times {\mathrm{1006307}}^1$

素因数の和:1006320

約数の個数: 20

約数和(自身を含む): 187173288

約数和(自身を除く): 106668728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006307, 2012614, 4025228, 5031535, 8050456, 10063070, 16100912, 20126140, 40252280, 80504560]

約数ペア:

[(1, 80504560), (2, 40252280), (4, 20126140), (5, 16100912), (8, 10063070), (10, 8050456), (16, 5031535), (20, 4025228), (40, 2012614), (80, 1006307)]