80720874

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38329}}^1$

素因数の和:38356

約数の個数: 40

約数和(自身を含む): 194793060

約数和(自身を除く): 114072186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38329, 76658, 114987, 229974, 344961, 498277, 689922, 996554, 1034883, 1494831, 2069766, 2989662, 3104649, 4484493, 6209298, 8968986, 13453479, 26906958, 40360437, 80720874]

約数ペア:

[(1, 80720874), (2, 40360437), (3, 26906958), (6, 13453479), (9, 8968986), (13, 6209298), (18, 4484493), (26, 3104649), (27, 2989662), (39, 2069766), (54, 1494831), (78, 1034883), (81, 996554), (117, 689922), (162, 498277), (234, 344961), (351, 229974), (702, 114987), (1053, 76658), (2106, 38329)]