25521184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 30362336

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 1979, 3224, 3958, 6448, 7916, 12896, 15832, 25727, 31664, 51454, 61349, 63328, 102908, 122698, 205816, 245396, 411632, 490792, 797537, 823264, 981584, 1595074, 1963168, 3190148, 6380296, 12760592, 25521184]

約数ペア:

[(1, 25521184), (2, 12760592), (4, 6380296), (8, 3190148), (13, 1963168), (16, 1595074), (26, 981584), (31, 823264), (32, 797537), (52, 490792), (62, 411632), (104, 245396), (124, 205816), (208, 122698), (248, 102908), (403, 63328), (416, 61349), (496, 51454), (806, 31664), (992, 25727), (1612, 15832), (1979, 12896), (3224, 7916), (3958, 6448)]