80680048

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{36277}}^1$

素因数の和:36424

約数の個数: 20

約数和(自身を含む): 157446520

約数和(自身を除く): 76766472

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 36277, 72554, 145108, 290216, 580432, 5042503, 10085006, 20170012, 40340024, 80680048]

約数ペア:

[(1, 80680048), (2, 40340024), (4, 20170012), (8, 10085006), (16, 5042503), (139, 580432), (278, 290216), (556, 145108), (1112, 72554), (2224, 36277)]