22105520

素因数分解:

$2^4\times 5^1\times {\mathrm{276319}}^1$

素因数の和:276332

約数の個数: 20

約数和(自身を含む): 51395520

約数和(自身を除く): 29290000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276319, 552638, 1105276, 1381595, 2210552, 2763190, 4421104, 5526380, 11052760, 22105520]

約数ペア:

[(1, 22105520), (2, 11052760), (4, 5526380), (5, 4421104), (8, 2763190), (10, 2210552), (16, 1381595), (20, 1105276), (40, 552638), (80, 276319)]