80738140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576701}}^1$

素因数の和:576717

約数の個数: 24

約数和(自身を含む): 193771872

約数和(自身を除く): 113033732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576701, 1153402, 2306804, 2883505, 4036907, 5767010, 8073814, 11534020, 16147628, 20184535, 40369070, 80738140]

約数ペア:

[(1, 80738140), (2, 40369070), (4, 20184535), (5, 16147628), (7, 11534020), (10, 8073814), (14, 5767010), (20, 4036907), (28, 2883505), (35, 2306804), (70, 1153402), (140, 576701)]