80065468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 54

約数和(自身を含む): 170922696

約数和(自身を除く): 90857228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 361, 532, 623, 722, 1246, 1444, 1691, 2492, 2527, 3382, 5054, 6764, 7921, 10108, 11837, 15842, 23674, 31684, 32129, 47348, 55447, 64258, 110894, 128516, 150499, 221788, 224903, 300998, 449806, 601996, 899612, 1053493, 2106986, 2859481, 4213972, 5718962, 11437924, 20016367, 40032734, 80065468]

約数ペア:

[(1, 80065468), (2, 40032734), (4, 20016367), (7, 11437924), (14, 5718962), (19, 4213972), (28, 2859481), (38, 2106986), (76, 1053493), (89, 899612), (133, 601996), (178, 449806), (266, 300998), (356, 224903), (361, 221788), (532, 150499), (623, 128516), (722, 110894), (1246, 64258), (1444, 55447), (1691, 47348), (2492, 32129), (2527, 31684), (3382, 23674), (5054, 15842), (6764, 11837), (7921, 10108)]