55687660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1279}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 134184960

約数和(自身を除く): 78497300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1279, 1555, 2177, 2558, 3110, 4354, 5116, 6220, 6395, 8708, 8953, 10885, 12790, 17906, 21770, 25580, 35812, 43540, 44765, 89530, 179060, 397769, 795538, 1591076, 1988845, 2784383, 3977690, 5568766, 7955380, 11137532, 13921915, 27843830, 55687660]

約数ペア:

[(1, 55687660), (2, 27843830), (4, 13921915), (5, 11137532), (7, 7955380), (10, 5568766), (14, 3977690), (20, 2784383), (28, 1988845), (35, 1591076), (70, 795538), (140, 397769), (311, 179060), (622, 89530), (1244, 44765), (1279, 43540), (1555, 35812), (2177, 25580), (2558, 21770), (3110, 17906), (4354, 12790), (5116, 10885), (6220, 8953), (6395, 8708)]