About the Number

27938140

27938139 ← → 27938141

2進数表記:1101010100100110101011100

漢数字表記:二千七百九十三万八千百四十

素因数分解:

2 2 × 5 1 × 17 1 × 82171 1

素因数の和:82197
約数の個数: 24
約数和(自身を含む): 62122032
約数和(自身を除く): 34183892

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82171, 164342, 328684, 410855, 821710, 1396907, 1643420, 2793814, 5587628, 6984535, 13969070, 27938140]

約数ペア:
[(1, 27938140), (2, 13969070), (4, 6984535), (5, 5587628), (10, 2793814), (17, 1643420), (20, 1396907), (34, 821710), (68, 410855), (85, 328684), (170, 164342), (340, 82171)]

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