80845640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43003}}^1$

素因数の和:43061

約数の個数: 32

約数和(自身を含む): 185777280

約数和(自身を除く): 104931640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 43003, 86006, 172012, 215015, 344024, 430030, 860060, 1720120, 2021141, 4042282, 8084564, 10105705, 16169128, 20211410, 40422820, 80845640]

約数ペア:

[(1, 80845640), (2, 40422820), (4, 20211410), (5, 16169128), (8, 10105705), (10, 8084564), (20, 4042282), (40, 2021141), (47, 1720120), (94, 860060), (188, 430030), (235, 344024), (376, 215015), (470, 172012), (940, 86006), (1880, 43003)]