About the Number

91491040

91491039 ← → 91491041

2進数表記:101011101000000101011100000

漢数字表記:九千百四十九万千四十

素因数分解:

2 5 × 5 1 × 383 1 × 1493 1

素因数の和:1891
約数の個数: 48
約数和(自身を含む): 216857088
約数和(自身を除く): 125366048

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 766, 1493, 1532, 1915, 2986, 3064, 3830, 5972, 6128, 7465, 7660, 11944, 12256, 14930, 15320, 23888, 29860, 30640, 47776, 59720, 61280, 119440, 238880, 571819, 1143638, 2287276, 2859095, 4574552, 5718190, 9149104, 11436380, 18298208, 22872760, 45745520, 91491040]

約数ペア:
[(1, 91491040), (2, 45745520), (4, 22872760), (5, 18298208), (8, 11436380), (10, 9149104), (16, 5718190), (20, 4574552), (32, 2859095), (40, 2287276), (80, 1143638), (160, 571819), (383, 238880), (766, 119440), (1493, 61280), (1532, 59720), (1915, 47776), (2986, 30640), (3064, 29860), (3830, 23888), (5972, 15320), (6128, 14930), (7465, 12256), (7660, 11944)]

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