About the Number

8255140

8255139 ← → 8255141

2進数表記:11111011111011010100100

漢数字表記:八百二十五万五千百四十

素因数分解:

2 2 × 5 1 × 29 1 × 43 1 × 331 1

素因数の和:412
約数の個数: 48
約数和(自身を含む): 18406080
約数和(自身を除く): 10150940

約数列:
[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 331, 430, 580, 662, 860, 1247, 1324, 1655, 2494, 3310, 4988, 6235, 6620, 9599, 12470, 14233, 19198, 24940, 28466, 38396, 47995, 56932, 71165, 95990, 142330, 191980, 284660, 412757, 825514, 1651028, 2063785, 4127570, 8255140]

約数ペア:
[(1, 8255140), (2, 4127570), (4, 2063785), (5, 1651028), (10, 825514), (20, 412757), (29, 284660), (43, 191980), (58, 142330), (86, 95990), (116, 71165), (145, 56932), (172, 47995), (215, 38396), (290, 28466), (331, 24940), (430, 19198), (580, 14233), (662, 12470), (860, 9599), (1247, 6620), (1324, 6235), (1655, 4988), (2494, 3310)]

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