80680360

素因数分解:

$2^3\times 5^1\times {\mathrm{2017009}}^1$

素因数の和:2017020

約数の個数: 16

約数和(自身を含む): 181530900

約数和(自身を除く): 100850540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2017009, 4034018, 8068036, 10085045, 16136072, 20170090, 40340180, 80680360]

約数ペア:

[(1, 80680360), (2, 40340180), (4, 20170090), (5, 16136072), (8, 10085045), (10, 8068036), (20, 4034018), (40, 2017009)]