16761140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 39239424

約数和(自身を除く): 22478284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1621, 2068, 2585, 3242, 5170, 6484, 8105, 10340, 16210, 17831, 32420, 35662, 71324, 76187, 89155, 152374, 178310, 304748, 356620, 380935, 761870, 838057, 1523740, 1676114, 3352228, 4190285, 8380570, 16761140]

約数ペア:

[(1, 16761140), (2, 8380570), (4, 4190285), (5, 3352228), (10, 1676114), (11, 1523740), (20, 838057), (22, 761870), (44, 380935), (47, 356620), (55, 304748), (94, 178310), (110, 152374), (188, 89155), (220, 76187), (235, 71324), (470, 35662), (517, 32420), (940, 17831), (1034, 16210), (1621, 10340), (2068, 8105), (2585, 6484), (3242, 5170)]