About the Number

80080028

80080027 ← → 80080029

2進数表記:100110001011110110010011100

漢数字表記:八千八万二十八

素因数分解:

2 2 × 7 1 × 103 1 × 27767 1

素因数の和:27881
約数の個数: 24
約数和(自身を含む): 161720832
約数和(自身を除く): 81640804

約数列:
[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 27767, 55534, 111068, 194369, 388738, 777476, 2860001, 5720002, 11440004, 20020007, 40040014, 80080028]

約数ペア:
[(1, 80080028), (2, 40040014), (4, 20020007), (7, 11440004), (14, 5720002), (28, 2860001), (103, 777476), (206, 388738), (412, 194369), (721, 111068), (1442, 55534), (2884, 27767)]

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