2112880640

素因数分解:

$2^{20}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 168

約数和(自身を含む): 5637141888

約数和(自身を除く): 3524261248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2048, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4096, 4160, 4960, 5120, 6448, 6656, 7936, 8060, 8192, 8320, 9920, 10240, 12896, 13312, 15872, 16120, 16384, 16640, 19840, 20480, 25792, 26624, 31744, 32240, 32768, 33280, 39680, 40960, 51584, 53248, 63488, 64480, 65536, 66560, 79360, 81920, 103168, 106496, 126976, 128960, 131072, 133120, 158720, 163840, 206336, 212992, 253952, 257920, 262144, 266240, 317440, 327680, 412672, 425984, 507904, 515840, 524288, 532480, 634880, 655360, 825344, 851968, 1015808, 1031680, 1048576, 1064960, 1269760, 1310720, 1650688, 1703936, 2031616, 2063360, 2129920, 2539520, 2621440, 3301376, 3407872, 4063232, 4126720, 4259840, 5079040, 5242880, 6602752, 6815744, 8126464, 8253440, 8519680, 10158080, 13205504, 13631488, 16252928, 16506880, 17039360, 20316160, 26411008, 32505856, 33013760, 34078720, 40632320, 52822016, 66027520, 68157440, 81264640, 105644032, 132055040, 162529280, 211288064, 264110080, 422576128, 528220160, 1056440320, 2112880640]

約数ペア:

[(1, 2112880640), (2, 1056440320), (4, 528220160), (5, 422576128), (8, 264110080), (10, 211288064), (13, 162529280), (16, 132055040), (20, 105644032), (26, 81264640), (31, 68157440), (32, 66027520), (40, 52822016), (52, 40632320), (62, 34078720), (64, 33013760), (65, 32505856), (80, 26411008), (104, 20316160), (124, 17039360), (128, 16506880), (130, 16252928), (155, 13631488), (160, 13205504), (208, 10158080), (248, 8519680), (256, 8253440), (260, 8126464), (310, 6815744), (320, 6602752), (403, 5242880), (416, 5079040), (496, 4259840), (512, 4126720), (520, 4063232), (620, 3407872), (640, 3301376), (806, 2621440), (832, 2539520), (992, 2129920), (1024, 2063360), (1040, 2031616), (1240, 1703936), (1280, 1650688), (1612, 1310720), (1664, 1269760), (1984, 1064960), (2015, 1048576), (2048, 1031680), (2080, 1015808), (2480, 851968), (2560, 825344), (3224, 655360), (3328, 634880), (3968, 532480), (4030, 524288), (4096, 515840), (4160, 507904), (4960, 425984), (5120, 412672), (6448, 327680), (6656, 317440), (7936, 266240), (8060, 262144), (8192, 257920), (8320, 253952), (9920, 212992), (10240, 206336), (12896, 163840), (13312, 158720), (15872, 133120), (16120, 131072), (16384, 128960), (16640, 126976), (19840, 106496), (20480, 103168), (25792, 81920), (26624, 79360), (31744, 66560), (32240, 65536), (32768, 64480), (33280, 63488), (39680, 53248), (40960, 51584)]