8080520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28859}}^1$

素因数の和:28877

約数の個数: 32

約数和(自身を含む): 20779200

約数和(自身を除く): 12698680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28859, 57718, 115436, 144295, 202013, 230872, 288590, 404026, 577180, 808052, 1010065, 1154360, 1616104, 2020130, 4040260, 8080520]

約数ペア:

[(1, 8080520), (2, 4040260), (4, 2020130), (5, 1616104), (7, 1154360), (8, 1010065), (10, 808052), (14, 577180), (20, 404026), (28, 288590), (35, 230872), (40, 202013), (56, 144295), (70, 115436), (140, 57718), (280, 28859)]