16005202420

素因数分解:

$2^2\times 5^1\times {\mathrm{800260121}}^1$

素因数の和:800260130

約数の個数: 12

約数和(自身を含む): 33610925124

約数和(自身を除く): 17605722704

約数列:

[1, 2, 4, 5, 10, 20, 800260121, 1600520242, 3201040484, 4001300605, 8002601210, 16005202420]

約数ペア:

[(1, 16005202420), (2, 8002601210), (4, 4001300605), (5, 3201040484), (10, 1600520242), (20, 800260121)]