380076520

素因数分解:

$2^3\times 5^1\times {\mathrm{9501913}}^1$

素因数の和:9501924

約数の個数: 16

約数和(自身を含む): 855172260

約数和(自身を除く): 475095740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9501913, 19003826, 38007652, 47509565, 76015304, 95019130, 190038260, 380076520]

約数ペア:

[(1, 380076520), (2, 190038260), (4, 95019130), (5, 76015304), (8, 47509565), (10, 38007652), (20, 19003826), (40, 9501913)]