What are all the distinct factor pairs of 64

64 has seven distinct factors:

1, 2, 4, 8, 16, 32, 64

We can form four pairs from those distinct factors:

(1, 64) because 1 * 64 = 64

(2, 32) because 2 * 32 = 64

(4, 16) because 4 * 16 = 64

(8, 8) because 8 * 8 = 64