80742256

素因数分解:

$2^4\times 7^1\times {\mathrm{720913}}^1$

素因数の和:720928

約数の個数: 20

約数和(自身を含む): 178786672

約数和(自身を除く): 98044416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720913, 1441826, 2883652, 5046391, 5767304, 10092782, 11534608, 20185564, 40371128, 80742256]

約数ペア:

[(1, 80742256), (2, 40371128), (4, 20185564), (7, 11534608), (8, 10092782), (14, 5767304), (16, 5046391), (28, 2883652), (56, 1441826), (112, 720913)]