About the Number

2810080

2810079 ← → 2810081

2進数表記:1010101110000011100000

漢数字表記:二百八十一万八十

素因数分解:

2 5 × 5 1 × 7 1 × 13 1 × 193 1

素因数の和:228
約数の個数: 96
約数和(自身を含む): 8213184
約数和(自身を除く): 5403104

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 193, 208, 224, 260, 280, 364, 386, 416, 455, 520, 560, 728, 772, 910, 965, 1040, 1120, 1351, 1456, 1544, 1820, 1930, 2080, 2509, 2702, 2912, 3088, 3640, 3860, 5018, 5404, 6176, 6755, 7280, 7720, 10036, 10808, 12545, 13510, 14560, 15440, 17563, 20072, 21616, 25090, 27020, 30880, 35126, 40144, 43232, 50180, 54040, 70252, 80288, 87815, 100360, 108080, 140504, 175630, 200720, 216160, 281008, 351260, 401440, 562016, 702520, 1405040, 2810080]

約数ペア:
[(1, 2810080), (2, 1405040), (4, 702520), (5, 562016), (7, 401440), (8, 351260), (10, 281008), (13, 216160), (14, 200720), (16, 175630), (20, 140504), (26, 108080), (28, 100360), (32, 87815), (35, 80288), (40, 70252), (52, 54040), (56, 50180), (65, 43232), (70, 40144), (80, 35126), (91, 30880), (104, 27020), (112, 25090), (130, 21616), (140, 20072), (160, 17563), (182, 15440), (193, 14560), (208, 13510), (224, 12545), (260, 10808), (280, 10036), (364, 7720), (386, 7280), (416, 6755), (455, 6176), (520, 5404), (560, 5018), (728, 3860), (772, 3640), (910, 3088), (965, 2912), (1040, 2702), (1120, 2509), (1351, 2080), (1456, 1930), (1544, 1820)]

このpageの処理時間: 0.0038993358612060547 seconds