80680120

素因数分解:

$2^3\times 5^1\times {\mathrm{2017003}}^1$

素因数の和:2017014

約数の個数: 16

約数和(自身を含む): 181530360

約数和(自身を除く): 100850240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2017003, 4034006, 8068012, 10085015, 16136024, 20170030, 40340060, 80680120]

約数ペア:

[(1, 80680120), (2, 40340060), (4, 20170030), (5, 16136024), (8, 10085015), (10, 8068012), (20, 4034006), (40, 2017003)]