55066760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1019}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 142473600

約数和(自身を除く): 87406840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1019, 1351, 1544, 1930, 2038, 2702, 3860, 4076, 5095, 5404, 6755, 7133, 7720, 8152, 10190, 10808, 13510, 14266, 20380, 27020, 28532, 35665, 40760, 54040, 57064, 71330, 142660, 196667, 285320, 393334, 786668, 983335, 1376669, 1573336, 1966670, 2753338, 3933340, 5506676, 6883345, 7866680, 11013352, 13766690, 27533380, 55066760]

約数ペア:

[(1, 55066760), (2, 27533380), (4, 13766690), (5, 11013352), (7, 7866680), (8, 6883345), (10, 5506676), (14, 3933340), (20, 2753338), (28, 1966670), (35, 1573336), (40, 1376669), (56, 983335), (70, 786668), (140, 393334), (193, 285320), (280, 196667), (386, 142660), (772, 71330), (965, 57064), (1019, 54040), (1351, 40760), (1544, 35665), (1930, 28532), (2038, 27020), (2702, 20380), (3860, 14266), (4076, 13510), (5095, 10808), (5404, 10190), (6755, 8152), (7133, 7720)]