2015183825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 2737793520

約数和(自身を除く): 722609695

約数列:

[1, 5, 17, 25, 41, 85, 109, 205, 425, 545, 697, 1025, 1061, 1853, 2725, 3485, 4469, 5305, 9265, 17425, 18037, 22345, 26525, 43501, 46325, 75973, 90185, 111725, 115649, 217505, 379865, 450925, 578245, 739517, 1087525, 1899325, 1966033, 2891225, 3697585, 4741609, 9830165, 18487925, 23708045, 49150825, 80607353, 118540225, 403036765, 2015183825]

約数ペア:

[(1, 2015183825), (5, 403036765), (17, 118540225), (25, 80607353), (41, 49150825), (85, 23708045), (109, 18487925), (205, 9830165), (425, 4741609), (545, 3697585), (697, 2891225), (1025, 1966033), (1061, 1899325), (1853, 1087525), (2725, 739517), (3485, 578245), (4469, 450925), (5305, 379865), (9265, 217505), (17425, 115649), (18037, 111725), (22345, 90185), (26525, 75973), (43501, 46325)]