Nat.Coprime.card_divisors_mul

∀ {m n : ℕ}, m.Coprime n → (m * n).divisors.card = m.divisors.card * n.divisors.card

Defined in: Mathlib.NumberTheory.ArithmeticFunction.Misc
Cited by: 0 results in Mathlib
Foundations: Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound

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