80020864

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 207982080

約数和(自身を除く): 127961216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 128, 154, 161, 176, 184, 224, 253, 308, 322, 352, 353, 368, 448, 506, 616, 644, 704, 706, 736, 896, 1012, 1232, 1288, 1408, 1412, 1472, 1771, 2024, 2464, 2471, 2576, 2824, 2944, 3542, 3883, 4048, 4928, 4942, 5152, 5648, 7084, 7766, 8096, 8119, 9856, 9884, 10304, 11296, 14168, 15532, 16192, 16238, 19768, 20608, 22592, 27181, 28336, 31064, 32384, 32476, 39536, 45184, 54362, 56672, 56833, 62128, 64952, 79072, 89309, 108724, 113344, 113666, 124256, 129904, 158144, 178618, 217448, 226688, 227332, 248512, 259808, 316288, 357236, 434896, 454664, 497024, 519616, 625163, 714472, 869792, 909328, 1039232, 1250326, 1428944, 1739584, 1818656, 2500652, 2857888, 3479168, 3637312, 5001304, 5715776, 7274624, 10002608, 11431552, 20005216, 40010432, 80020864]

約数ペア:

[(1, 80020864), (2, 40010432), (4, 20005216), (7, 11431552), (8, 10002608), (11, 7274624), (14, 5715776), (16, 5001304), (22, 3637312), (23, 3479168), (28, 2857888), (32, 2500652), (44, 1818656), (46, 1739584), (56, 1428944), (64, 1250326), (77, 1039232), (88, 909328), (92, 869792), (112, 714472), (128, 625163), (154, 519616), (161, 497024), (176, 454664), (184, 434896), (224, 357236), (253, 316288), (308, 259808), (322, 248512), (352, 227332), (353, 226688), (368, 217448), (448, 178618), (506, 158144), (616, 129904), (644, 124256), (704, 113666), (706, 113344), (736, 108724), (896, 89309), (1012, 79072), (1232, 64952), (1288, 62128), (1408, 56833), (1412, 56672), (1472, 54362), (1771, 45184), (2024, 39536), (2464, 32476), (2471, 32384), (2576, 31064), (2824, 28336), (2944, 27181), (3542, 22592), (3883, 20608), (4048, 19768), (4928, 16238), (4942, 16192), (5152, 15532), (5648, 14168), (7084, 11296), (7766, 10304), (8096, 9884), (8119, 9856)]