About the Number

4005072

4005071 ← → 4005073

2進数表記:1111010001110011010000

漢数字表記:四百万五千七十二

素因数分解:

2 4 × 3 3 × 73 1 × 127 1

素因数の和:217
約数の個数: 80
約数和(自身を含む): 11745280
約数和(自身を除く): 7740208

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 127, 144, 146, 216, 219, 254, 292, 381, 432, 438, 508, 584, 657, 762, 876, 1016, 1143, 1168, 1314, 1524, 1752, 1971, 2032, 2286, 2628, 3048, 3429, 3504, 3942, 4572, 5256, 6096, 6858, 7884, 9144, 9271, 10512, 13716, 15768, 18288, 18542, 27432, 27813, 31536, 37084, 54864, 55626, 74168, 83439, 111252, 148336, 166878, 222504, 250317, 333756, 445008, 500634, 667512, 1001268, 1335024, 2002536, 4005072]

約数ペア:
[(1, 4005072), (2, 2002536), (3, 1335024), (4, 1001268), (6, 667512), (8, 500634), (9, 445008), (12, 333756), (16, 250317), (18, 222504), (24, 166878), (27, 148336), (36, 111252), (48, 83439), (54, 74168), (72, 55626), (73, 54864), (108, 37084), (127, 31536), (144, 27813), (146, 27432), (216, 18542), (219, 18288), (254, 15768), (292, 13716), (381, 10512), (432, 9271), (438, 9144), (508, 7884), (584, 6858), (657, 6096), (762, 5256), (876, 4572), (1016, 3942), (1143, 3504), (1168, 3429), (1314, 3048), (1524, 2628), (1752, 2286), (1971, 2032)]

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