About the Number

31886080

31886079 ← → 31886081

2進数表記:1111001101000101100000000

漢数字表記:三千百八十八万六千八十

素因数分解:

2 8 × 5 1 × 29 1 × 859 1

素因数の和:909
約数の個数: 72
約数和(自身を含む): 79102800
約数和(自身を除く): 47216720

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 859, 928, 1160, 1280, 1718, 1856, 2320, 3436, 3712, 4295, 4640, 6872, 7424, 8590, 9280, 13744, 17180, 18560, 24911, 27488, 34360, 37120, 49822, 54976, 68720, 99644, 109952, 124555, 137440, 199288, 219904, 249110, 274880, 398576, 498220, 549760, 797152, 996440, 1099520, 1594304, 1992880, 3188608, 3985760, 6377216, 7971520, 15943040, 31886080]

約数ペア:
[(1, 31886080), (2, 15943040), (4, 7971520), (5, 6377216), (8, 3985760), (10, 3188608), (16, 1992880), (20, 1594304), (29, 1099520), (32, 996440), (40, 797152), (58, 549760), (64, 498220), (80, 398576), (116, 274880), (128, 249110), (145, 219904), (160, 199288), (232, 137440), (256, 124555), (290, 109952), (320, 99644), (464, 68720), (580, 54976), (640, 49822), (859, 37120), (928, 34360), (1160, 27488), (1280, 24911), (1718, 18560), (1856, 17180), (2320, 13744), (3436, 9280), (3712, 8590), (4295, 7424), (4640, 6872)]

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