520019968

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 112

約数和(自身を含む): 1183507920

約数和(自身を除く): 663487952

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 257, 304, 416, 494, 512, 514, 608, 832, 988, 1024, 1028, 1216, 1664, 1976, 2048, 2056, 2432, 3328, 3341, 3952, 4096, 4112, 4864, 4883, 6656, 6682, 7904, 8192, 8224, 9728, 9766, 13312, 13364, 15808, 16448, 19456, 19532, 26624, 26728, 31616, 32896, 38912, 39064, 53248, 53456, 63232, 63479, 65792, 77824, 78128, 106496, 106912, 126464, 126958, 131584, 155648, 156256, 213824, 252928, 253916, 263168, 312512, 427648, 505856, 507832, 526336, 625024, 855296, 1011712, 1015664, 1052672, 1250048, 1710592, 2023424, 2031328, 2105344, 2500096, 3421184, 4062656, 5000192, 6842368, 8125312, 10000384, 13684736, 16250624, 20000768, 27369472, 32501248, 40001536, 65002496, 130004992, 260009984, 520019968]

約数ペア:

[(1, 520019968), (2, 260009984), (4, 130004992), (8, 65002496), (13, 40001536), (16, 32501248), (19, 27369472), (26, 20000768), (32, 16250624), (38, 13684736), (52, 10000384), (64, 8125312), (76, 6842368), (104, 5000192), (128, 4062656), (152, 3421184), (208, 2500096), (247, 2105344), (256, 2031328), (257, 2023424), (304, 1710592), (416, 1250048), (494, 1052672), (512, 1015664), (514, 1011712), (608, 855296), (832, 625024), (988, 526336), (1024, 507832), (1028, 505856), (1216, 427648), (1664, 312512), (1976, 263168), (2048, 253916), (2056, 252928), (2432, 213824), (3328, 156256), (3341, 155648), (3952, 131584), (4096, 126958), (4112, 126464), (4864, 106912), (4883, 106496), (6656, 78128), (6682, 77824), (7904, 65792), (8192, 63479), (8224, 63232), (9728, 53456), (9766, 53248), (13312, 39064), (13364, 38912), (15808, 32896), (16448, 31616), (19456, 26728), (19532, 26624)]