80738420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576703}}^1$

素因数の和:576719

約数の個数: 24

約数和(自身を含む): 193772544

約数和(自身を除く): 113034124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576703, 1153406, 2306812, 2883515, 4036921, 5767030, 8073842, 11534060, 16147684, 20184605, 40369210, 80738420]

約数ペア:

[(1, 80738420), (2, 40369210), (4, 20184605), (5, 16147684), (7, 11534060), (10, 8073842), (14, 5767030), (20, 4036921), (28, 2883515), (35, 2306812), (70, 1153406), (140, 576703)]