20180352880

素因数分解:

$2^4\times 5^1\times {\mathrm{252254411}}^1$

素因数の和:252254424

約数の個数: 20

約数和(自身を含む): 46919320632

約数和(自身を除く): 26738967752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252254411, 504508822, 1009017644, 1261272055, 2018035288, 2522544110, 4036070576, 5045088220, 10090176440, 20180352880]

約数ペア:

[(1, 20180352880), (2, 10090176440), (4, 5045088220), (5, 4036070576), (8, 2522544110), (10, 2018035288), (16, 1261272055), (20, 1009017644), (40, 504508822), (80, 252254411)]