28526800

素因数分解:

$2^4\times 5^2\times {\mathrm{71317}}^1$

素因数の和:71335

約数の個数: 30

約数和(自身を含む): 68536598

約数和(自身を除く): 40009798

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71317, 142634, 285268, 356585, 570536, 713170, 1141072, 1426340, 1782925, 2852680, 3565850, 5705360, 7131700, 14263400, 28526800]

約数ペア:

[(1, 28526800), (2, 14263400), (4, 7131700), (5, 5705360), (8, 3565850), (10, 2852680), (16, 1782925), (20, 1426340), (25, 1141072), (40, 713170), (50, 570536), (80, 356585), (100, 285268), (200, 142634), (400, 71317)]