79990960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142841}}^1$

素因数の和:142861

約数の個数: 40

約数和(自身を含む): 212548896

約数和(自身を除く): 132557936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142841, 285682, 571364, 714205, 999887, 1142728, 1428410, 1999774, 2285456, 2856820, 3999548, 4999435, 5713640, 7999096, 9998870, 11427280, 15998192, 19997740, 39995480, 79990960]

約数ペア:

[(1, 79990960), (2, 39995480), (4, 19997740), (5, 15998192), (7, 11427280), (8, 9998870), (10, 7999096), (14, 5713640), (16, 4999435), (20, 3999548), (28, 2856820), (35, 2285456), (40, 1999774), (56, 1428410), (70, 1142728), (80, 999887), (112, 714205), (140, 571364), (280, 285682), (560, 142841)]