2660259808

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{6469}}^1$

素因数の和:6731

約数の個数: 48

約数和(自身を含む): 5341321440

約数和(自身を除く): 2681061632

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 181, 284, 362, 568, 724, 1136, 1448, 2272, 2896, 5792, 6469, 12851, 12938, 25702, 25876, 51404, 51752, 102808, 103504, 205616, 207008, 411232, 459299, 918598, 1170889, 1837196, 2341778, 3674392, 4683556, 7348784, 9367112, 14697568, 18734224, 37468448, 83133119, 166266238, 332532476, 665064952, 1330129904, 2660259808]

約数ペア:

[(1, 2660259808), (2, 1330129904), (4, 665064952), (8, 332532476), (16, 166266238), (32, 83133119), (71, 37468448), (142, 18734224), (181, 14697568), (284, 9367112), (362, 7348784), (568, 4683556), (724, 3674392), (1136, 2341778), (1448, 1837196), (2272, 1170889), (2896, 918598), (5792, 459299), (6469, 411232), (12851, 207008), (12938, 205616), (25702, 103504), (25876, 102808), (51404, 51752)]