55085380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 132806016

約数和(自身を除く): 77720636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1531, 1799, 2570, 3062, 3598, 5140, 6124, 7196, 7655, 8995, 10717, 15310, 17990, 21434, 30620, 35980, 42868, 53585, 107170, 214340, 393467, 786934, 1573868, 1967335, 2754269, 3934670, 5508538, 7869340, 11017076, 13771345, 27542690, 55085380]

約数ペア:

[(1, 55085380), (2, 27542690), (4, 13771345), (5, 11017076), (7, 7869340), (10, 5508538), (14, 3934670), (20, 2754269), (28, 1967335), (35, 1573868), (70, 786934), (140, 393467), (257, 214340), (514, 107170), (1028, 53585), (1285, 42868), (1531, 35980), (1799, 30620), (2570, 21434), (3062, 17990), (3598, 15310), (5140, 10717), (6124, 8995), (7196, 7655)]