15696861680

素因数分解:

$2^4\times 5^1\times {\mathrm{196210771}}^1$

素因数の和:196210784

約数の個数: 20

約数和(自身を含む): 36495203592

約数和(自身を除く): 20798341912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196210771, 392421542, 784843084, 981053855, 1569686168, 1962107710, 3139372336, 3924215420, 7848430840, 15696861680]

約数ペア:

[(1, 15696861680), (2, 7848430840), (4, 3924215420), (5, 3139372336), (8, 1962107710), (10, 1569686168), (16, 981053855), (20, 784843084), (40, 392421542), (80, 196210771)]