25072008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 74390400

約数和(自身を除く): 49318392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 29, 34, 39, 51, 52, 58, 68, 78, 87, 102, 104, 116, 136, 156, 163, 174, 204, 221, 232, 312, 326, 348, 377, 408, 442, 489, 493, 652, 663, 696, 754, 884, 978, 986, 1131, 1304, 1326, 1479, 1508, 1768, 1956, 1972, 2119, 2262, 2652, 2771, 2958, 3016, 3912, 3944, 4238, 4524, 4727, 5304, 5542, 5916, 6357, 6409, 8313, 8476, 9048, 9454, 11084, 11832, 12714, 12818, 14181, 16626, 16952, 18908, 19227, 22168, 25428, 25636, 28362, 33252, 36023, 37816, 38454, 50856, 51272, 56724, 61451, 66504, 72046, 76908, 80359, 108069, 113448, 122902, 144092, 153816, 160718, 184353, 216138, 241077, 245804, 288184, 321436, 368706, 432276, 482154, 491608, 642872, 737412, 864552, 964308, 1044667, 1474824, 1928616, 2089334, 3134001, 4178668, 6268002, 8357336, 12536004, 25072008]

約数ペア:

[(1, 25072008), (2, 12536004), (3, 8357336), (4, 6268002), (6, 4178668), (8, 3134001), (12, 2089334), (13, 1928616), (17, 1474824), (24, 1044667), (26, 964308), (29, 864552), (34, 737412), (39, 642872), (51, 491608), (52, 482154), (58, 432276), (68, 368706), (78, 321436), (87, 288184), (102, 245804), (104, 241077), (116, 216138), (136, 184353), (156, 160718), (163, 153816), (174, 144092), (204, 122902), (221, 113448), (232, 108069), (312, 80359), (326, 76908), (348, 72046), (377, 66504), (408, 61451), (442, 56724), (489, 51272), (493, 50856), (652, 38454), (663, 37816), (696, 36023), (754, 33252), (884, 28362), (978, 25636), (986, 25428), (1131, 22168), (1304, 19227), (1326, 18908), (1479, 16952), (1508, 16626), (1768, 14181), (1956, 12818), (1972, 12714), (2119, 11832), (2262, 11084), (2652, 9454), (2771, 9048), (2958, 8476), (3016, 8313), (3912, 6409), (3944, 6357), (4238, 5916), (4524, 5542), (4727, 5304)]