About the Number

51513020

51513019 ← → 51513021

2進数表記:11000100100000011010111100

漢数字表記:五千百五十一万三千二十

素因数分解:

2 2 × 5 1 × 13 1 × 198127 1

素因数の和:198149
約数の個数: 24
約数和(自身を含む): 116499264
約数和(自身を除く): 64986244

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198127, 396254, 792508, 990635, 1981270, 2575651, 3962540, 5151302, 10302604, 12878255, 25756510, 51513020]

約数ペア:
[(1, 51513020), (2, 25756510), (4, 12878255), (5, 10302604), (10, 5151302), (13, 3962540), (20, 2575651), (26, 1981270), (52, 990635), (65, 792508), (130, 396254), (260, 198127)]

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