11518760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 28926720

約数和(自身を除く): 17407960

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, 557, 940, 1034, 1114, 1880, 2068, 2228, 2585, 2785, 4136, 4456, 5170, 5570, 6127, 10340, 11140, 12254, 20680, 22280, 24508, 26179, 30635, 49016, 52358, 61270, 104716, 122540, 130895, 209432, 245080, 261790, 287969, 523580, 575938, 1047160, 1151876, 1439845, 2303752, 2879690, 5759380, 11518760]

約数ペア:

[(1, 11518760), (2, 5759380), (4, 2879690), (5, 2303752), (8, 1439845), (10, 1151876), (11, 1047160), (20, 575938), (22, 523580), (40, 287969), (44, 261790), (47, 245080), (55, 209432), (88, 130895), (94, 122540), (110, 104716), (188, 61270), (220, 52358), (235, 49016), (376, 30635), (440, 26179), (470, 24508), (517, 22280), (557, 20680), (940, 12254), (1034, 11140), (1114, 10340), (1880, 6127), (2068, 5570), (2228, 5170), (2585, 4456), (2785, 4136)]