39804160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 105206724

約数和(自身を除く): 65402564

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 257, 320, 352, 440, 484, 514, 605, 640, 704, 880, 968, 1028, 1210, 1280, 1285, 1408, 1760, 1936, 2056, 2420, 2570, 2816, 2827, 3520, 3872, 4112, 4840, 5140, 5654, 7040, 7744, 8224, 9680, 10280, 11308, 14080, 14135, 15488, 16448, 19360, 20560, 22616, 28270, 30976, 31097, 32896, 38720, 41120, 45232, 56540, 62194, 65792, 77440, 82240, 90464, 113080, 124388, 154880, 155485, 164480, 180928, 226160, 248776, 310970, 328960, 361856, 452320, 497552, 621940, 723712, 904640, 995104, 1243880, 1809280, 1990208, 2487760, 3618560, 3980416, 4975520, 7960832, 9951040, 19902080, 39804160]

約数ペア:

[(1, 39804160), (2, 19902080), (4, 9951040), (5, 7960832), (8, 4975520), (10, 3980416), (11, 3618560), (16, 2487760), (20, 1990208), (22, 1809280), (32, 1243880), (40, 995104), (44, 904640), (55, 723712), (64, 621940), (80, 497552), (88, 452320), (110, 361856), (121, 328960), (128, 310970), (160, 248776), (176, 226160), (220, 180928), (242, 164480), (256, 155485), (257, 154880), (320, 124388), (352, 113080), (440, 90464), (484, 82240), (514, 77440), (605, 65792), (640, 62194), (704, 56540), (880, 45232), (968, 41120), (1028, 38720), (1210, 32896), (1280, 31097), (1285, 30976), (1408, 28270), (1760, 22616), (1936, 20560), (2056, 19360), (2420, 16448), (2570, 15488), (2816, 14135), (2827, 14080), (3520, 11308), (3872, 10280), (4112, 9680), (4840, 8224), (5140, 7744), (5654, 7040)]