739458720

Appears in sequences

• Numbers n having a proper divisor d such that sigma(n) - k*d = k*n. Case k = 5.at n=2A291459
• Primitive 5-abundant numbers: Numbers k such that sigma(k) > 5k (A215264) all of whose proper divisors d are 5-deficient numbers (having sigma(d) < 5d).at n=22A307115