86641040

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2467}}^1$

素因数の和:2919

約数の個数: 40

約数和(自身を含む): 201981120

約数和(自身を除く): 115340080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 2467, 3512, 4390, 4934, 7024, 8780, 9868, 12335, 17560, 19736, 24670, 35120, 39472, 49340, 98680, 197360, 1083013, 2166026, 4332052, 5415065, 8664104, 10830130, 17328208, 21660260, 43320520, 86641040]

約数ペア:

[(1, 86641040), (2, 43320520), (4, 21660260), (5, 17328208), (8, 10830130), (10, 8664104), (16, 5415065), (20, 4332052), (40, 2166026), (80, 1083013), (439, 197360), (878, 98680), (1756, 49340), (2195, 39472), (2467, 35120), (3512, 24670), (4390, 19736), (4934, 17560), (7024, 12335), (8780, 9868)]