2013281888080

素因数分解:

$2^4\times 5^1\times {\mathrm{25166023601}}^1$

素因数の和:25166023614

約数の個数: 20

約数和(自身を含む): 4680880389972

約数和(自身を除く): 2667598501892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25166023601, 50332047202, 100664094404, 125830118005, 201328188808, 251660236010, 402656377616, 503320472020, 1006640944040, 2013281888080]

約数ペア:

[(1, 2013281888080), (2, 1006640944040), (4, 503320472020), (5, 402656377616), (8, 251660236010), (10, 201328188808), (16, 125830118005), (20, 100664094404), (40, 50332047202), (80, 25166023601)]