828006040

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{123953}}^1$

素因数の和:124131

約数の個数: 32

約数和(自身を含む): 1874184480

約数和(自身を除く): 1046178440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 123953, 247906, 495812, 619765, 991624, 1239530, 2479060, 4958120, 20700151, 41400302, 82800604, 103500755, 165601208, 207001510, 414003020, 828006040]

約数ペア:

[(1, 828006040), (2, 414003020), (4, 207001510), (5, 165601208), (8, 103500755), (10, 82800604), (20, 41400302), (40, 20700151), (167, 4958120), (334, 2479060), (668, 1239530), (835, 991624), (1336, 619765), (1670, 495812), (3340, 247906), (6680, 123953)]