4891480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11117}}^1$

素因数の和:11139

約数の個数: 32

約数和(自身を含む): 12007440

約数和(自身を除く): 7115960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 11117, 22234, 44468, 55585, 88936, 111170, 122287, 222340, 244574, 444680, 489148, 611435, 978296, 1222870, 2445740, 4891480]

約数ペア:

[(1, 4891480), (2, 2445740), (4, 1222870), (5, 978296), (8, 611435), (10, 489148), (11, 444680), (20, 244574), (22, 222340), (40, 122287), (44, 111170), (55, 88936), (88, 55585), (110, 44468), (220, 22234), (440, 11117)]