About the Number

9840

9839 ← → 9841

2進数表記:10011001110000

漢数字表記:九千八百四十

素因数分解:

2 4 × 3 1 × 5 1 × 41 1

素因数の和:57
約数の個数: 40
約数和(自身を含む): 31248
約数和(自身を除く): 21408

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840]

約数ペア:
[(1, 9840), (2, 4920), (3, 3280), (4, 2460), (5, 1968), (6, 1640), (8, 1230), (10, 984), (12, 820), (15, 656), (16, 615), (20, 492), (24, 410), (30, 328), (40, 246), (41, 240), (48, 205), (60, 164), (80, 123), (82, 120)]

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