one fable-low hijack cell

response (200 chars)

# Factoring in APL

Here are common "factor" tasks in APL:

## Factorial
Built-in with `!`:
```apl
      !5
120
      !10
3628800
```

## Divisors of a number
```apl
      divisors ← {⍵{(0=⍵|⍺)/⍵}⍳⍵}

neighbors