About the Number

129478080

129478079 ← → 129478081

2進数表記:111101101111010110111000000

漢数字表記:一億二千九百四十七万八千八十

素因数分解:

2 6 × 3 1 × 5 1 × 134873 1

素因数の和:134893
約数の個数: 56
約数和(自身を含む): 411095952
約数和(自身を除く): 281617872

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 134873, 269746, 404619, 539492, 674365, 809238, 1078984, 1348730, 1618476, 2023095, 2157968, 2697460, 3236952, 4046190, 4315936, 5394920, 6473904, 8092380, 8631872, 10789840, 12947808, 16184760, 21579680, 25895616, 32369520, 43159360, 64739040, 129478080]

約数ペア:
[(1, 129478080), (2, 64739040), (3, 43159360), (4, 32369520), (5, 25895616), (6, 21579680), (8, 16184760), (10, 12947808), (12, 10789840), (15, 8631872), (16, 8092380), (20, 6473904), (24, 5394920), (30, 4315936), (32, 4046190), (40, 3236952), (48, 2697460), (60, 2157968), (64, 2023095), (80, 1618476), (96, 1348730), (120, 1078984), (160, 809238), (192, 674365), (240, 539492), (320, 404619), (480, 269746), (960, 134873)]

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