8489140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 19885824

約数和(自身を除く): 11396684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 821, 940, 1034, 1642, 2068, 2585, 3284, 4105, 5170, 8210, 9031, 10340, 16420, 18062, 36124, 38587, 45155, 77174, 90310, 154348, 180620, 192935, 385870, 424457, 771740, 848914, 1697828, 2122285, 4244570, 8489140]

約数ペア:

[(1, 8489140), (2, 4244570), (4, 2122285), (5, 1697828), (10, 848914), (11, 771740), (20, 424457), (22, 385870), (44, 192935), (47, 180620), (55, 154348), (94, 90310), (110, 77174), (188, 45155), (220, 38587), (235, 36124), (470, 18062), (517, 16420), (821, 10340), (940, 9031), (1034, 8210), (1642, 5170), (2068, 4105), (2585, 3284)]