6555440

素因数分解:

$2^4\times 5^1\times {\mathrm{81943}}^1$

素因数の和:81956

約数の個数: 20

約数和(自身を含む): 15241584

約数和(自身を除く): 8686144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81943, 163886, 327772, 409715, 655544, 819430, 1311088, 1638860, 3277720, 6555440]

約数ペア:

[(1, 6555440), (2, 3277720), (4, 1638860), (5, 1311088), (8, 819430), (10, 655544), (16, 409715), (20, 327772), (40, 163886), (80, 81943)]