31720864

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 44919392

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 47, 56, 92, 94, 112, 131, 161, 184, 188, 224, 262, 322, 329, 368, 376, 524, 644, 658, 736, 752, 917, 1048, 1081, 1288, 1316, 1504, 1834, 2096, 2162, 2576, 2632, 3013, 3668, 4192, 4324, 5152, 5264, 6026, 6157, 7336, 7567, 8648, 10528, 12052, 12314, 14672, 15134, 17296, 21091, 24104, 24628, 29344, 30268, 34592, 42182, 43099, 48208, 49256, 60536, 84364, 86198, 96416, 98512, 121072, 141611, 168728, 172396, 197024, 242144, 283222, 337456, 344792, 566444, 674912, 689584, 991277, 1132888, 1379168, 1982554, 2265776, 3965108, 4531552, 7930216, 15860432, 31720864]

約数ペア:

[(1, 31720864), (2, 15860432), (4, 7930216), (7, 4531552), (8, 3965108), (14, 2265776), (16, 1982554), (23, 1379168), (28, 1132888), (32, 991277), (46, 689584), (47, 674912), (56, 566444), (92, 344792), (94, 337456), (112, 283222), (131, 242144), (161, 197024), (184, 172396), (188, 168728), (224, 141611), (262, 121072), (322, 98512), (329, 96416), (368, 86198), (376, 84364), (524, 60536), (644, 49256), (658, 48208), (736, 43099), (752, 42182), (917, 34592), (1048, 30268), (1081, 29344), (1288, 24628), (1316, 24104), (1504, 21091), (1834, 17296), (2096, 15134), (2162, 14672), (2576, 12314), (2632, 12052), (3013, 10528), (3668, 8648), (4192, 7567), (4324, 7336), (5152, 6157), (5264, 6026)]