80510120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87511}}^1$

素因数の和:87545

約数の個数: 32

約数和(自身を含む): 189025920

約数和(自身を除く): 108515800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87511, 175022, 350044, 437555, 700088, 875110, 1750220, 2012753, 3500440, 4025506, 8051012, 10063765, 16102024, 20127530, 40255060, 80510120]

約数ペア:

[(1, 80510120), (2, 40255060), (4, 20127530), (5, 16102024), (8, 10063765), (10, 8051012), (20, 4025506), (23, 3500440), (40, 2012753), (46, 1750220), (92, 875110), (115, 700088), (184, 437555), (230, 350044), (460, 175022), (920, 87511)]