28031740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2711}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 65608704

約数和(自身を除く): 37576964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 2711, 5170, 5422, 10340, 10844, 13555, 27110, 29821, 54220, 59642, 119284, 127417, 149105, 254834, 298210, 509668, 596420, 637085, 1274170, 1401587, 2548340, 2803174, 5606348, 7007935, 14015870, 28031740]

約数ペア:

[(1, 28031740), (2, 14015870), (4, 7007935), (5, 5606348), (10, 2803174), (11, 2548340), (20, 1401587), (22, 1274170), (44, 637085), (47, 596420), (55, 509668), (94, 298210), (110, 254834), (188, 149105), (220, 127417), (235, 119284), (470, 59642), (517, 54220), (940, 29821), (1034, 27110), (2068, 13555), (2585, 10844), (2711, 10340), (5170, 5422)]