About the Number

12739640

12739639 ← → 12739641

2進数表記:110000100110010000111000

漢数字表記:千二百七十三万九千六百四十

素因数分解:

2 3 × 5 1 × 293 1 × 1087 1

素因数の和:1391
約数の個数: 32
約数和(自身を含む): 28788480
約数和(自身を除く): 16048840

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1087, 1172, 1465, 2174, 2344, 2930, 4348, 5435, 5860, 8696, 10870, 11720, 21740, 43480, 318491, 636982, 1273964, 1592455, 2547928, 3184910, 6369820, 12739640]

約数ペア:
[(1, 12739640), (2, 6369820), (4, 3184910), (5, 2547928), (8, 1592455), (10, 1273964), (20, 636982), (40, 318491), (293, 43480), (586, 21740), (1087, 11720), (1172, 10870), (1465, 8696), (2174, 5860), (2344, 5435), (2930, 4348)]

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