856135520

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{179}}^2$

素因数の和:540

約数の個数: 72

約数和(自身を含む): 2046162384

約数和(自身を除く): 1190026864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 179, 334, 358, 668, 716, 835, 895, 1336, 1432, 1670, 1790, 2672, 2864, 3340, 3580, 5344, 5728, 6680, 7160, 13360, 14320, 26720, 28640, 29893, 32041, 59786, 64082, 119572, 128164, 149465, 160205, 239144, 256328, 298930, 320410, 478288, 512656, 597860, 640820, 956576, 1025312, 1195720, 1281640, 2391440, 2563280, 4782880, 5126560, 5350847, 10701694, 21403388, 26754235, 42806776, 53508470, 85613552, 107016940, 171227104, 214033880, 428067760, 856135520]

約数ペア:

[(1, 856135520), (2, 428067760), (4, 214033880), (5, 171227104), (8, 107016940), (10, 85613552), (16, 53508470), (20, 42806776), (32, 26754235), (40, 21403388), (80, 10701694), (160, 5350847), (167, 5126560), (179, 4782880), (334, 2563280), (358, 2391440), (668, 1281640), (716, 1195720), (835, 1025312), (895, 956576), (1336, 640820), (1432, 597860), (1670, 512656), (1790, 478288), (2672, 320410), (2864, 298930), (3340, 256328), (3580, 239144), (5344, 160205), (5728, 149465), (6680, 128164), (7160, 119572), (13360, 64082), (14320, 59786), (26720, 32041), (28640, 29893)]