8385740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 19643904

約数和(自身を除く): 11258164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 811, 940, 1034, 1622, 2068, 2585, 3244, 4055, 5170, 8110, 8921, 10340, 16220, 17842, 35684, 38117, 44605, 76234, 89210, 152468, 178420, 190585, 381170, 419287, 762340, 838574, 1677148, 2096435, 4192870, 8385740]

約数ペア:

[(1, 8385740), (2, 4192870), (4, 2096435), (5, 1677148), (10, 838574), (11, 762340), (20, 419287), (22, 381170), (44, 190585), (47, 178420), (55, 152468), (94, 89210), (110, 76234), (188, 44605), (220, 38117), (235, 35684), (470, 17842), (517, 16220), (811, 10340), (940, 8921), (1034, 8110), (1622, 5170), (2068, 4055), (2585, 3244)]