16771480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 25322600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 811, 940, 1034, 1622, 1880, 2068, 2585, 3244, 4055, 4136, 5170, 6488, 8110, 8921, 10340, 16220, 17842, 20680, 32440, 35684, 38117, 44605, 71368, 76234, 89210, 152468, 178420, 190585, 304936, 356840, 381170, 419287, 762340, 838574, 1524680, 1677148, 2096435, 3354296, 4192870, 8385740, 16771480]

約数ペア:

[(1, 16771480), (2, 8385740), (4, 4192870), (5, 3354296), (8, 2096435), (10, 1677148), (11, 1524680), (20, 838574), (22, 762340), (40, 419287), (44, 381170), (47, 356840), (55, 304936), (88, 190585), (94, 178420), (110, 152468), (188, 89210), (220, 76234), (235, 71368), (376, 44605), (440, 38117), (470, 35684), (517, 32440), (811, 20680), (940, 17842), (1034, 16220), (1622, 10340), (1880, 8921), (2068, 8110), (2585, 6488), (3244, 5170), (4055, 4136)]