80817248

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 165400704

約数和(自身を除く): 84583456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 257, 317, 496, 514, 634, 992, 1028, 1268, 2056, 2536, 4112, 5072, 7967, 8224, 9827, 10144, 15934, 19654, 31868, 39308, 63736, 78616, 81469, 127472, 157232, 162938, 254944, 314464, 325876, 651752, 1303504, 2525539, 2607008, 5051078, 10102156, 20204312, 40408624, 80817248]

約数ペア:

[(1, 80817248), (2, 40408624), (4, 20204312), (8, 10102156), (16, 5051078), (31, 2607008), (32, 2525539), (62, 1303504), (124, 651752), (248, 325876), (257, 314464), (317, 254944), (496, 162938), (514, 157232), (634, 127472), (992, 81469), (1028, 78616), (1268, 63736), (2056, 39308), (2536, 31868), (4112, 19654), (5072, 15934), (7967, 10144), (8224, 9827)]