155516120

素因数分解:

$2^3\times 5^1\times {\mathrm{3887903}}^1$

素因数の和:3887914

約数の個数: 16

約数和(自身を含む): 349911360

約数和(自身を除く): 194395240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3887903, 7775806, 15551612, 19439515, 31103224, 38879030, 77758060, 155516120]

約数ペア:

[(1, 155516120), (2, 77758060), (4, 38879030), (5, 31103224), (8, 19439515), (10, 15551612), (20, 7775806), (40, 3887903)]