80559740

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4441}}^1$

素因数の和:5357

約数の個数: 24

約数和(自身を含む): 169400112

約数和(自身を除く): 88840372

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4441, 4535, 8882, 9070, 17764, 18140, 22205, 44410, 88820, 4027987, 8055974, 16111948, 20139935, 40279870, 80559740]

約数ペア:

[(1, 80559740), (2, 40279870), (4, 20139935), (5, 16111948), (10, 8055974), (20, 4027987), (907, 88820), (1814, 44410), (3628, 22205), (4441, 18140), (4535, 17764), (8882, 9070)]