2021155872760

素因数分解:

$2^3\times 5^1\times {\mathrm{50528896819}}^1$

素因数の和:50528896830

約数の個数: 16

約数和(自身を含む): 4547600713800

約数和(自身を除く): 2526444841040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50528896819, 101057793638, 202115587276, 252644484095, 404231174552, 505288968190, 1010577936380, 2021155872760]

約数ペア:

[(1, 2021155872760), (2, 1010577936380), (4, 505288968190), (5, 404231174552), (8, 252644484095), (10, 202115587276), (20, 101057793638), (40, 50528896819)]