80217305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4349}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 120268800

約数和(自身を除く): 40051495

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1085, 2635, 3689, 4349, 18445, 21745, 30443, 73933, 134819, 152215, 369665, 517531, 674095, 943733, 2291923, 2587655, 4718665, 11459615, 16043461, 80217305]

約数ペア:

[(1, 80217305), (5, 16043461), (7, 11459615), (17, 4718665), (31, 2587655), (35, 2291923), (85, 943733), (119, 674095), (155, 517531), (217, 369665), (527, 152215), (595, 134819), (1085, 73933), (2635, 30443), (3689, 21745), (4349, 18445)]