161049273520

素因数分解:

$2^4\times 5^1\times {\mathrm{2013115919}}^1$

素因数の和:2013115932

約数の個数: 20

約数和(自身を含む): 374439561120

約数和(自身を除く): 213390287600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2013115919, 4026231838, 8052463676, 10065579595, 16104927352, 20131159190, 32209854704, 40262318380, 80524636760, 161049273520]

約数ペア:

[(1, 161049273520), (2, 80524636760), (4, 40262318380), (5, 32209854704), (8, 20131159190), (10, 16104927352), (16, 10065579595), (20, 8052463676), (40, 4026231838), (80, 2013115919)]