Respuesta:
múltiplos
14: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140
20: 20, 40, 60, 80, 100, 120, 140, 160, 180, 200
11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 11
40: 40, 80, 120, 160, 200, 240, 280, 320, 360, 400
30:30 son 30-60-90-120-150-180-210-240-270-300
divisores
30:1, 2, 5, 6, 10, 15, 30.
15: 1, 3, 5, 15
20:1, 2, 4, 5, 10, 20.
25: 1, 5, 25
40: 1, 2, 4, 5, 8, 10, 20, 40.
