About the Number

66880970

66880969 ← → 66880971

2進数表記:11111111001000010111001010

漢数字表記:六千六百八十八万九百七十

素因数分解:

2 1 × 5 1 × 13 1 × 499 1 × 1031 1

素因数の和:1550
約数の個数: 32
約数和(自身を含む): 130032000
約数和(自身を除く): 63151030

約数列:
[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 1031, 2062, 2495, 4990, 5155, 6487, 10310, 12974, 13403, 26806, 32435, 64870, 67015, 134030, 514469, 1028938, 2572345, 5144690, 6688097, 13376194, 33440485, 66880970]

約数ペア:
[(1, 66880970), (2, 33440485), (5, 13376194), (10, 6688097), (13, 5144690), (26, 2572345), (65, 1028938), (130, 514469), (499, 134030), (998, 67015), (1031, 64870), (2062, 32435), (2495, 26806), (4990, 13403), (5155, 12974), (6487, 10310)]

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