80691560

素因数分解:

$2^3\times 5^1\times {\mathrm{2017289}}^1$

素因数の和:2017300

約数の個数: 16

約数和(自身を含む): 181556100

約数和(自身を除く): 100864540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2017289, 4034578, 8069156, 10086445, 16138312, 20172890, 40345780, 80691560]

約数ペア:

[(1, 80691560), (2, 40345780), (4, 20172890), (5, 16138312), (8, 10086445), (10, 8069156), (20, 4034578), (40, 2017289)]