2160905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 2709504

約数和(自身を除く): 548599

約数列:

[1, 5, 41, 83, 127, 205, 415, 635, 3403, 5207, 10541, 17015, 26035, 52705, 432181, 2160905]

約数ペア:

[(1, 2160905), (5, 432181), (41, 52705), (83, 26035), (127, 17015), (205, 10541), (415, 5207), (635, 3403)]