80441920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 210330288

約数和(自身を除く): 129888368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 317, 320, 416, 488, 520, 610, 634, 793, 832, 976, 1040, 1220, 1268, 1585, 1586, 1952, 2080, 2440, 2536, 3170, 3172, 3904, 3965, 4121, 4160, 4880, 5072, 6340, 6344, 7930, 8242, 9760, 10144, 12680, 12688, 15860, 16484, 19337, 19520, 20288, 20605, 25360, 25376, 31720, 32968, 38674, 41210, 50720, 50752, 63440, 65936, 77348, 82420, 96685, 101440, 126880, 131872, 154696, 164840, 193370, 251381, 253760, 263744, 309392, 329680, 386740, 502762, 618784, 659360, 773480, 1005524, 1237568, 1256905, 1318720, 1546960, 2011048, 2513810, 3093920, 4022096, 5027620, 6187840, 8044192, 10055240, 16088384, 20110480, 40220960, 80441920]

約数ペア:

[(1, 80441920), (2, 40220960), (4, 20110480), (5, 16088384), (8, 10055240), (10, 8044192), (13, 6187840), (16, 5027620), (20, 4022096), (26, 3093920), (32, 2513810), (40, 2011048), (52, 1546960), (61, 1318720), (64, 1256905), (65, 1237568), (80, 1005524), (104, 773480), (122, 659360), (130, 618784), (160, 502762), (208, 386740), (244, 329680), (260, 309392), (305, 263744), (317, 253760), (320, 251381), (416, 193370), (488, 164840), (520, 154696), (610, 131872), (634, 126880), (793, 101440), (832, 96685), (976, 82420), (1040, 77348), (1220, 65936), (1268, 63440), (1585, 50752), (1586, 50720), (1952, 41210), (2080, 38674), (2440, 32968), (2536, 31720), (3170, 25376), (3172, 25360), (3904, 20605), (3965, 20288), (4121, 19520), (4160, 19337), (4880, 16484), (5072, 15860), (6340, 12688), (6344, 12680), (7930, 10144), (8242, 9760)]