13561036780

素因数分解:

$2^2\times 5^1\times {\mathrm{678051839}}^1$

素因数の和:678051848

約数の個数: 12

約数和(自身を含む): 28478177280

約数和(自身を除く): 14917140500

約数列:

[1, 2, 4, 5, 10, 20, 678051839, 1356103678, 2712207356, 3390259195, 6780518390, 13561036780]

約数ペア:

[(1, 13561036780), (2, 6780518390), (4, 3390259195), (5, 2712207356), (10, 1356103678), (20, 678051839)]