About the Number

23008640

23008639 ← → 23008641

2進数表記:1010111110001010110000000

漢数字表記:二千三百万八千六百四十

素因数分解:

2 7 × 5 1 × 35951 1

素因数の和:35970
約数の個数: 32
約数和(自身を含む): 55006560
約数和(自身を除く): 31997920

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 35951, 71902, 143804, 179755, 287608, 359510, 575216, 719020, 1150432, 1438040, 2300864, 2876080, 4601728, 5752160, 11504320, 23008640]

約数ペア:
[(1, 23008640), (2, 11504320), (4, 5752160), (5, 4601728), (8, 2876080), (10, 2300864), (16, 1438040), (20, 1150432), (32, 719020), (40, 575216), (64, 359510), (80, 287608), (128, 179755), (160, 143804), (320, 71902), (640, 35951)]

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