80740912

素因数分解:

$2^4\times 7^1\times {\mathrm{720901}}^1$

素因数の和:720916

約数の個数: 20

約数和(自身を含む): 178783696

約数和(自身を除く): 98042784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720901, 1441802, 2883604, 5046307, 5767208, 10092614, 11534416, 20185228, 40370456, 80740912]

約数ペア:

[(1, 80740912), (2, 40370456), (4, 20185228), (7, 11534416), (8, 10092614), (14, 5767208), (16, 5046307), (28, 2883604), (56, 1441802), (112, 720901)]