55581820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397013}}^1$

素因数の和:397029

約数の個数: 24

約数和(自身を含む): 133396704

約数和(自身を除く): 77814884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397013, 794026, 1588052, 1985065, 2779091, 3970130, 5558182, 7940260, 11116364, 13895455, 27790910, 55581820]

約数ペア:

[(1, 55581820), (2, 27790910), (4, 13895455), (5, 11116364), (7, 7940260), (10, 5558182), (14, 3970130), (20, 2779091), (28, 1985065), (35, 1588052), (70, 794026), (140, 397013)]