About the Number

115240

115239 ← → 115241

2進数表記:11100001000101000

漢数字表記:十一万五千二百四十

素因数分解:

2 3 × 5 1 × 43 1 × 67 1

素因数の和:121
約数の個数: 32
約数和(自身を含む): 269280
約数和(自身を除く): 154040

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 860, 1340, 1720, 2680, 2881, 5762, 11524, 14405, 23048, 28810, 57620, 115240]

約数ペア:
[(1, 115240), (2, 57620), (4, 28810), (5, 23048), (8, 14405), (10, 11524), (20, 5762), (40, 2881), (43, 2680), (67, 1720), (86, 1340), (134, 860), (172, 670), (215, 536), (268, 430), (335, 344)]

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