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.
7 and -8
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
-57
56 + 56 + 28 + 8 + 2 + 1 = 151
1510
-54 and -2 aren't technically factors of 108, but they will satisfy this problem.
-10 and +10.
-49 and -7 -42 and -14 -28 and -28
268
-10 & -18
12610
-589