80804912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 161175696

約数和(自身を除く): 80370784

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 257, 344, 457, 514, 688, 914, 1028, 1828, 2056, 3656, 4112, 7312, 11051, 19651, 22102, 39302, 44204, 78604, 88408, 117449, 157208, 176816, 234898, 314416, 469796, 939592, 1879184, 5050307, 10100614, 20201228, 40402456, 80804912]

約数ペア:

[(1, 80804912), (2, 40402456), (4, 20201228), (8, 10100614), (16, 5050307), (43, 1879184), (86, 939592), (172, 469796), (257, 314416), (344, 234898), (457, 176816), (514, 157208), (688, 117449), (914, 88408), (1028, 78604), (1828, 44204), (2056, 39302), (3656, 22102), (4112, 19651), (7312, 11051)]