25329920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 75938688

約数和(自身を除く): 50608768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 257, 280, 308, 320, 352, 385, 440, 448, 514, 560, 616, 640, 704, 770, 880, 896, 1028, 1120, 1232, 1280, 1285, 1408, 1540, 1760, 1792, 1799, 2056, 2240, 2464, 2570, 2816, 2827, 3080, 3520, 3598, 4112, 4480, 4928, 5140, 5654, 6160, 7040, 7196, 8224, 8960, 8995, 9856, 10280, 11308, 12320, 14080, 14135, 14392, 16448, 17990, 19712, 19789, 20560, 22616, 24640, 28270, 28784, 32896, 35980, 39578, 41120, 45232, 49280, 56540, 57568, 65792, 71960, 79156, 82240, 90464, 98560, 98945, 113080, 115136, 143920, 158312, 164480, 180928, 197890, 226160, 230272, 287840, 316624, 328960, 361856, 395780, 452320, 460544, 575680, 633248, 723712, 791560, 904640, 1151360, 1266496, 1583120, 1809280, 2302720, 2532992, 3166240, 3618560, 5065984, 6332480, 12664960, 25329920]

約数ペア:

[(1, 25329920), (2, 12664960), (4, 6332480), (5, 5065984), (7, 3618560), (8, 3166240), (10, 2532992), (11, 2302720), (14, 1809280), (16, 1583120), (20, 1266496), (22, 1151360), (28, 904640), (32, 791560), (35, 723712), (40, 633248), (44, 575680), (55, 460544), (56, 452320), (64, 395780), (70, 361856), (77, 328960), (80, 316624), (88, 287840), (110, 230272), (112, 226160), (128, 197890), (140, 180928), (154, 164480), (160, 158312), (176, 143920), (220, 115136), (224, 113080), (256, 98945), (257, 98560), (280, 90464), (308, 82240), (320, 79156), (352, 71960), (385, 65792), (440, 57568), (448, 56540), (514, 49280), (560, 45232), (616, 41120), (640, 39578), (704, 35980), (770, 32896), (880, 28784), (896, 28270), (1028, 24640), (1120, 22616), (1232, 20560), (1280, 19789), (1285, 19712), (1408, 17990), (1540, 16448), (1760, 14392), (1792, 14135), (1799, 14080), (2056, 12320), (2240, 11308), (2464, 10280), (2570, 9856), (2816, 8995), (2827, 8960), (3080, 8224), (3520, 7196), (3598, 7040), (4112, 6160), (4480, 5654), (4928, 5140)]