22485520

素因数分解:

$2^4\times 5^1\times {\mathrm{281069}}^1$

素因数の和:281082

約数の個数: 20

約数和(自身を含む): 52279020

約数和(自身を除く): 29793500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281069, 562138, 1124276, 1405345, 2248552, 2810690, 4497104, 5621380, 11242760, 22485520]

約数ペア:

[(1, 22485520), (2, 11242760), (4, 5621380), (5, 4497104), (8, 2810690), (10, 2248552), (16, 1405345), (20, 1124276), (40, 562138), (80, 281069)]