28377440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1984

約数の個数: 96

約数和(自身を含む): 82555200

約数和(自身を除く): 54177760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 1949, 2080, 2912, 3640, 3898, 7280, 7796, 9745, 13643, 14560, 15592, 19490, 25337, 27286, 31184, 38980, 50674, 54572, 62368, 68215, 77960, 101348, 109144, 126685, 136430, 155920, 177359, 202696, 218288, 253370, 272860, 311840, 354718, 405392, 436576, 506740, 545720, 709436, 810784, 886795, 1013480, 1091440, 1418872, 1773590, 2026960, 2182880, 2837744, 3547180, 4053920, 5675488, 7094360, 14188720, 28377440]

約数ペア:

[(1, 28377440), (2, 14188720), (4, 7094360), (5, 5675488), (7, 4053920), (8, 3547180), (10, 2837744), (13, 2182880), (14, 2026960), (16, 1773590), (20, 1418872), (26, 1091440), (28, 1013480), (32, 886795), (35, 810784), (40, 709436), (52, 545720), (56, 506740), (65, 436576), (70, 405392), (80, 354718), (91, 311840), (104, 272860), (112, 253370), (130, 218288), (140, 202696), (160, 177359), (182, 155920), (208, 136430), (224, 126685), (260, 109144), (280, 101348), (364, 77960), (416, 68215), (455, 62368), (520, 54572), (560, 50674), (728, 38980), (910, 31184), (1040, 27286), (1120, 25337), (1456, 19490), (1820, 15592), (1949, 14560), (2080, 13643), (2912, 9745), (3640, 7796), (3898, 7280)]