55443640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198013}}^1$

素因数の和:198031

約数の個数: 32

約数和(自身を含む): 142570080

約数和(自身を除く): 87126440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198013, 396026, 792052, 990065, 1386091, 1584104, 1980130, 2772182, 3960260, 5544364, 6930455, 7920520, 11088728, 13860910, 27721820, 55443640]

約数ペア:

[(1, 55443640), (2, 27721820), (4, 13860910), (5, 11088728), (7, 7920520), (8, 6930455), (10, 5544364), (14, 3960260), (20, 2772182), (28, 1980130), (35, 1584104), (40, 1386091), (56, 990065), (70, 792052), (140, 396026), (280, 198013)]