20110107520

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{3527}}^1$

素因数の和:3756

約数の個数: 128

約数和(自身を含む): 49228300800

約数和(自身を除く): 29118193280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 151, 160, 236, 295, 302, 320, 472, 590, 604, 640, 755, 944, 1180, 1208, 1510, 1888, 2360, 2416, 3020, 3527, 3776, 4720, 4832, 6040, 7054, 7552, 8909, 9440, 9664, 12080, 14108, 17635, 17818, 18880, 19328, 24160, 28216, 35270, 35636, 37760, 44545, 48320, 56432, 70540, 71272, 89090, 96640, 112864, 141080, 142544, 178180, 208093, 225728, 282160, 285088, 356360, 416186, 451456, 532577, 564320, 570176, 712720, 832372, 1040465, 1065154, 1128640, 1140352, 1425440, 1664744, 2080930, 2130308, 2257280, 2662885, 2850880, 3329488, 4161860, 4260616, 5325770, 5701760, 6658976, 8323720, 8521232, 10651540, 13317952, 16647440, 17042464, 21303080, 26635904, 31422043, 33294880, 34084928, 42606160, 62844086, 66589760, 68169856, 85212320, 125688172, 133179520, 157110215, 170424640, 251376344, 314220430, 340849280, 502752688, 628440860, 1005505376, 1256881720, 2011010752, 2513763440, 4022021504, 5027526880, 10055053760, 20110107520]

約数ペア:

[(1, 20110107520), (2, 10055053760), (4, 5027526880), (5, 4022021504), (8, 2513763440), (10, 2011010752), (16, 1256881720), (20, 1005505376), (32, 628440860), (40, 502752688), (59, 340849280), (64, 314220430), (80, 251376344), (118, 170424640), (128, 157110215), (151, 133179520), (160, 125688172), (236, 85212320), (295, 68169856), (302, 66589760), (320, 62844086), (472, 42606160), (590, 34084928), (604, 33294880), (640, 31422043), (755, 26635904), (944, 21303080), (1180, 17042464), (1208, 16647440), (1510, 13317952), (1888, 10651540), (2360, 8521232), (2416, 8323720), (3020, 6658976), (3527, 5701760), (3776, 5325770), (4720, 4260616), (4832, 4161860), (6040, 3329488), (7054, 2850880), (7552, 2662885), (8909, 2257280), (9440, 2130308), (9664, 2080930), (12080, 1664744), (14108, 1425440), (17635, 1140352), (17818, 1128640), (18880, 1065154), (19328, 1040465), (24160, 832372), (28216, 712720), (35270, 570176), (35636, 564320), (37760, 532577), (44545, 451456), (48320, 416186), (56432, 356360), (70540, 285088), (71272, 282160), (89090, 225728), (96640, 208093), (112864, 178180), (141080, 142544)]