80830960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144341}}^1$

素因数の和:144361

約数の個数: 40

約数和(自身を含む): 214780896

約数和(自身を除く): 133949936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144341, 288682, 577364, 721705, 1010387, 1154728, 1443410, 2020774, 2309456, 2886820, 4041548, 5051935, 5773640, 8083096, 10103870, 11547280, 16166192, 20207740, 40415480, 80830960]

約数ペア:

[(1, 80830960), (2, 40415480), (4, 20207740), (5, 16166192), (7, 11547280), (8, 10103870), (10, 8083096), (14, 5773640), (16, 5051935), (20, 4041548), (28, 2886820), (35, 2309456), (40, 2020774), (56, 1443410), (70, 1154728), (80, 1010387), (112, 721705), (140, 577364), (280, 288682), (560, 144341)]