28268440

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{919}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 63756000

約数和(自身を除く): 35487560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 919, 1538, 1838, 3076, 3676, 3845, 4595, 6152, 7352, 7690, 9190, 15380, 18380, 30760, 36760, 706711, 1413422, 2826844, 3533555, 5653688, 7067110, 14134220, 28268440]

約数ペア:

[(1, 28268440), (2, 14134220), (4, 7067110), (5, 5653688), (8, 3533555), (10, 2826844), (20, 1413422), (40, 706711), (769, 36760), (919, 30760), (1538, 18380), (1838, 15380), (3076, 9190), (3676, 7690), (3845, 7352), (4595, 6152)]