-56
The 8 factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. 2 and 8 add up to 10. Also, 1, 2, and 7 add up to 10.
They are: 14 and 4
-57
-56
-56
-56
56 has two prime factors: 2 and 7.
7 and -8
66
The factors of 56 are 1, 2, 4, 7, 8, 14, 28, 56 1120 is a multiple of 56. To find more multiples of 56, add 56 to 1120 and the subsequent totals.
56 has eight factors: 1, 2, 4, 7, 8, 14, 28, 56.