71870960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128341}}^1$

素因数の和:128361

約数の個数: 40

約数和(自身を含む): 190972896

約数和(自身を除く): 119101936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128341, 256682, 513364, 641705, 898387, 1026728, 1283410, 1796774, 2053456, 2566820, 3593548, 4491935, 5133640, 7187096, 8983870, 10267280, 14374192, 17967740, 35935480, 71870960]

約数ペア:

[(1, 71870960), (2, 35935480), (4, 17967740), (5, 14374192), (7, 10267280), (8, 8983870), (10, 7187096), (14, 5133640), (16, 4491935), (20, 3593548), (28, 2566820), (35, 2053456), (40, 1796774), (56, 1283410), (70, 1026728), (80, 898387), (112, 641705), (140, 513364), (280, 256682), (560, 128341)]