About the Number

12800048

12800047 ← → 12800049

2進数表記:110000110101000000110000

漢数字表記:千二百八十万四十八

素因数分解:

2 4 × 17 1 × 47059 1

素因数の和:47084
約数の個数: 20
約数和(自身を含む): 26259480
約数和(自身を除く): 13459432

約数列:
[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 47059, 94118, 188236, 376472, 752944, 800003, 1600006, 3200012, 6400024, 12800048]

約数ペア:
[(1, 12800048), (2, 6400024), (4, 3200012), (8, 1600006), (16, 800003), (17, 752944), (34, 376472), (68, 188236), (136, 94118), (272, 47059)]

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