287132080

素因数分解:

$2^4\times 5^1\times {\mathrm{3589151}}^1$

素因数の和:3589164

約数の個数: 20

約数和(自身を含む): 667582272

約数和(自身を除く): 380450192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3589151, 7178302, 14356604, 17945755, 28713208, 35891510, 57426416, 71783020, 143566040, 287132080]

約数ペア:

[(1, 287132080), (2, 143566040), (4, 71783020), (5, 57426416), (8, 35891510), (10, 28713208), (16, 17945755), (20, 14356604), (40, 7178302), (80, 3589151)]