55171400

素因数分解:

$2^3\times 5^2\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 128831040

約数和(自身を除く): 73659640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 311, 622, 887, 1244, 1555, 1774, 2488, 3110, 3548, 4435, 6220, 7096, 7775, 8870, 12440, 15550, 17740, 22175, 31100, 35480, 44350, 62200, 88700, 177400, 275857, 551714, 1103428, 1379285, 2206856, 2758570, 5517140, 6896425, 11034280, 13792850, 27585700, 55171400]

約数ペア:

[(1, 55171400), (2, 27585700), (4, 13792850), (5, 11034280), (8, 6896425), (10, 5517140), (20, 2758570), (25, 2206856), (40, 1379285), (50, 1103428), (100, 551714), (200, 275857), (311, 177400), (622, 88700), (887, 62200), (1244, 44350), (1555, 35480), (1774, 31100), (2488, 22175), (3110, 17740), (3548, 15550), (4435, 12440), (6220, 8870), (7096, 7775)]