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theorem proved term proof

vonMangoldt_sum_divisors

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formal statement (Lean)

 761theorem vonMangoldt_sum_divisors {n : ℕ} :
 762    ∑ d ∈ n.divisors, vonMangoldt d = Real.log n := by

proof body

Term-mode proof.

 763  simp only [vonMangoldt]
 764  exact ArithmeticFunction.vonMangoldt_sum
 765
 766/-! ### Sigma multiplicativity helpers -/
 767
 768/-- σ_k(mn) = σ_k(m) × σ_k(n) for coprime m, n. -/

depends on (2)

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