81151420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{579653}}^1$

素因数の和:579669

約数の個数: 24

約数和(自身を含む): 194763744

約数和(自身を除く): 113612324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 579653, 1159306, 2318612, 2898265, 4057571, 5796530, 8115142, 11593060, 16230284, 20287855, 40575710, 81151420]

約数ペア:

[(1, 81151420), (2, 40575710), (4, 20287855), (5, 16230284), (7, 11593060), (10, 8115142), (14, 5796530), (20, 4057571), (28, 2898265), (35, 2318612), (70, 1159306), (140, 579653)]