5.1) 1, 2, 3, 5, 6, 10, 15, 30.
5.2) 1, 2, 3, 4, 6, 12.
5.3) 1, 23
5.4) 1, 2, 3, 4, 6, 8, 12, 18, 24, 36, 72
7.1) 16, 32, 48, 64.
7.2) 12, 24, 36, 48.
7.3) 150, 300, 450, 600.
7.4) 47, 94, 141, 188.
8.1) 28, 36 , 48, 64, 92, 100, 108.
8.2) 28, 64, 92, 100, 110
5. 1)30= 1,2,3,10,15,30
2)12 = 1,12,6,2,3,4
3)23= 1,23
4)72=1,2,3,6,12,24,36,72
7. 1)16,32,48,64
2)12,24,36,48
3)150,300,450,600
4)47,94,141,188
8. 1)28,36,64,48,92,100,108
2)28,64,92,100,110