28096400

素因数分解:

$2^4\times 5^2\times {\mathrm{70241}}^1$

素因数の和:70259

約数の個数: 30

約数和(自身を含む): 67502562

約数和(自身を除く): 39406162

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70241, 140482, 280964, 351205, 561928, 702410, 1123856, 1404820, 1756025, 2809640, 3512050, 5619280, 7024100, 14048200, 28096400]

約数ペア:

[(1, 28096400), (2, 14048200), (4, 7024100), (5, 5619280), (8, 3512050), (10, 2809640), (16, 1756025), (20, 1404820), (25, 1123856), (40, 702410), (50, 561928), (80, 351205), (100, 280964), (200, 140482), (400, 70241)]