28123340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200881}}^1$

素因数の和:200897

約数の個数: 24

約数和(自身を含む): 67496352

約数和(自身を除く): 39373012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200881, 401762, 803524, 1004405, 1406167, 2008810, 2812334, 4017620, 5624668, 7030835, 14061670, 28123340]

約数ペア:

[(1, 28123340), (2, 14061670), (4, 7030835), (5, 5624668), (7, 4017620), (10, 2812334), (14, 2008810), (20, 1406167), (28, 1004405), (35, 803524), (70, 401762), (140, 200881)]