About the Number

260015990

260015989 ← → 260015991

2進数表記:1111011111111000011101110110

漢数字表記:二億六千一万五千九百九十

素因数分解:

2 1 × 5 1 × 13 1 × 127 1 × 15749 1

素因数の和:15896
約数の個数: 32
約数和(自身を含む): 508032000
約数和(自身を除く): 248016010

約数列:
[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 15749, 16510, 31498, 78745, 157490, 204737, 409474, 1023685, 2000123, 2047370, 4000246, 10000615, 20001230, 26001599, 52003198, 130007995, 260015990]

約数ペア:
[(1, 260015990), (2, 130007995), (5, 52003198), (10, 26001599), (13, 20001230), (26, 10000615), (65, 4000246), (127, 2047370), (130, 2000123), (254, 1023685), (635, 409474), (1270, 204737), (1651, 157490), (3302, 78745), (8255, 31498), (15749, 16510)]

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