20100608

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 45372096

約数和(自身を除く): 25271488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 83, 86, 88, 128, 166, 172, 176, 256, 332, 344, 352, 473, 512, 664, 688, 704, 913, 946, 1328, 1376, 1408, 1826, 1892, 2656, 2752, 2816, 3569, 3652, 3784, 5312, 5504, 5632, 7138, 7304, 7568, 10624, 11008, 14276, 14608, 15136, 21248, 22016, 28552, 29216, 30272, 39259, 42496, 57104, 58432, 60544, 78518, 114208, 116864, 121088, 157036, 228416, 233728, 242176, 314072, 456832, 467456, 628144, 913664, 1256288, 1827328, 2512576, 5025152, 10050304, 20100608]

約数ペア:

[(1, 20100608), (2, 10050304), (4, 5025152), (8, 2512576), (11, 1827328), (16, 1256288), (22, 913664), (32, 628144), (43, 467456), (44, 456832), (64, 314072), (83, 242176), (86, 233728), (88, 228416), (128, 157036), (166, 121088), (172, 116864), (176, 114208), (256, 78518), (332, 60544), (344, 58432), (352, 57104), (473, 42496), (512, 39259), (664, 30272), (688, 29216), (704, 28552), (913, 22016), (946, 21248), (1328, 15136), (1376, 14608), (1408, 14276), (1826, 11008), (1892, 10624), (2656, 7568), (2752, 7304), (2816, 7138), (3569, 5632), (3652, 5504), (3784, 5312)]