About the Number

12138040

12138039 ← → 12138041

2進数表記:101110010011011000111000

漢数字表記:千二百十三万八千四十

素因数分解:

2 3 × 5 1 × 43 1 × 7057 1

素因数の和:7111
約数の個数: 32
約数和(自身を含む): 27949680
約数和(自身を除く): 15811640

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7057, 14114, 28228, 35285, 56456, 70570, 141140, 282280, 303451, 606902, 1213804, 1517255, 2427608, 3034510, 6069020, 12138040]

約数ペア:
[(1, 12138040), (2, 6069020), (4, 3034510), (5, 2427608), (8, 1517255), (10, 1213804), (20, 606902), (40, 303451), (43, 282280), (86, 141140), (172, 70570), (215, 56456), (344, 35285), (430, 28228), (860, 14114), (1720, 7057)]

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