55370260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 127370880

約数和(自身を除く): 72000620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 647, 778, 1294, 1556, 1945, 2588, 3235, 3890, 4279, 6470, 7117, 7780, 8558, 12940, 14234, 17116, 21395, 28468, 35585, 42790, 71170, 85580, 142340, 251683, 503366, 1006732, 1258415, 2516830, 2768513, 5033660, 5537026, 11074052, 13842565, 27685130, 55370260]

約数ペア:

[(1, 55370260), (2, 27685130), (4, 13842565), (5, 11074052), (10, 5537026), (11, 5033660), (20, 2768513), (22, 2516830), (44, 1258415), (55, 1006732), (110, 503366), (220, 251683), (389, 142340), (647, 85580), (778, 71170), (1294, 42790), (1556, 35585), (1945, 28468), (2588, 21395), (3235, 17116), (3890, 14234), (4279, 12940), (6470, 8558), (7117, 7780)]