8071420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{57653}}^1$

素因数の和:57669

約数の個数: 24

約数和(自身を含む): 19371744

約数和(自身を除く): 11300324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 57653, 115306, 230612, 288265, 403571, 576530, 807142, 1153060, 1614284, 2017855, 4035710, 8071420]

約数ペア:

[(1, 8071420), (2, 4035710), (4, 2017855), (5, 1614284), (7, 1153060), (10, 807142), (14, 576530), (20, 403571), (28, 288265), (35, 230612), (70, 115306), (140, 57653)]