19164400

素因数分解:

$2^4\times 5^2\times {\mathrm{47911}}^1$

素因数の和:47929

約数の個数: 30

約数和(自身を含む): 46043432

約数和(自身を除く): 26879032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 47911, 95822, 191644, 239555, 383288, 479110, 766576, 958220, 1197775, 1916440, 2395550, 3832880, 4791100, 9582200, 19164400]

約数ペア:

[(1, 19164400), (2, 9582200), (4, 4791100), (5, 3832880), (8, 2395550), (10, 1916440), (16, 1197775), (20, 958220), (25, 766576), (40, 479110), (50, 383288), (80, 239555), (100, 191644), (200, 95822), (400, 47911)]