20159360000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2476

約数の個数: 220

約数和(自身を含む): 54253720752

約数和(自身を除く): 34094360752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 500, 512, 520, 625, 640, 650, 800, 832, 1000, 1024, 1040, 1250, 1280, 1300, 1600, 1625, 1664, 2000, 2080, 2423, 2500, 2560, 2600, 3200, 3250, 3328, 4000, 4160, 4846, 5000, 5120, 5200, 6400, 6500, 6656, 8000, 8125, 8320, 9692, 10000, 10400, 12115, 12800, 13000, 13312, 16000, 16250, 16640, 19384, 20000, 20800, 24230, 25600, 26000, 31499, 32000, 32500, 33280, 38768, 40000, 41600, 48460, 52000, 60575, 62998, 64000, 65000, 66560, 77536, 80000, 83200, 96920, 104000, 121150, 125996, 128000, 130000, 155072, 157495, 160000, 166400, 193840, 208000, 242300, 251992, 260000, 302875, 310144, 314990, 320000, 332800, 387680, 416000, 484600, 503984, 520000, 605750, 620288, 629980, 640000, 775360, 787475, 832000, 969200, 1007968, 1040000, 1211500, 1240576, 1259960, 1514375, 1550720, 1574950, 1664000, 1938400, 2015936, 2080000, 2423000, 2481152, 2519920, 3028750, 3101440, 3149900, 3876800, 3937375, 4031872, 4160000, 4846000, 5039840, 6057500, 6202880, 6299800, 7753600, 7874750, 8063744, 8320000, 9692000, 10079680, 12115000, 12405760, 12599600, 15507200, 15749500, 16127488, 19384000, 19686875, 20159360, 24230000, 25199200, 31014400, 31499000, 32254976, 38768000, 39373750, 40318720, 48460000, 50398400, 62028800, 62998000, 77536000, 78747500, 80637440, 96920000, 100796800, 125996000, 155072000, 157495000, 161274880, 193840000, 201593600, 251992000, 310144000, 314990000, 387680000, 403187200, 503984000, 629980000, 775360000, 806374400, 1007968000, 1259960000, 1550720000, 2015936000, 2519920000, 4031872000, 5039840000, 10079680000, 20159360000]

約数ペア:

[(1, 20159360000), (2, 10079680000), (4, 5039840000), (5, 4031872000), (8, 2519920000), (10, 2015936000), (13, 1550720000), (16, 1259960000), (20, 1007968000), (25, 806374400), (26, 775360000), (32, 629980000), (40, 503984000), (50, 403187200), (52, 387680000), (64, 314990000), (65, 310144000), (80, 251992000), (100, 201593600), (104, 193840000), (125, 161274880), (128, 157495000), (130, 155072000), (160, 125996000), (200, 100796800), (208, 96920000), (250, 80637440), (256, 78747500), (260, 77536000), (320, 62998000), (325, 62028800), (400, 50398400), (416, 48460000), (500, 40318720), (512, 39373750), (520, 38768000), (625, 32254976), (640, 31499000), (650, 31014400), (800, 25199200), (832, 24230000), (1000, 20159360), (1024, 19686875), (1040, 19384000), (1250, 16127488), (1280, 15749500), (1300, 15507200), (1600, 12599600), (1625, 12405760), (1664, 12115000), (2000, 10079680), (2080, 9692000), (2423, 8320000), (2500, 8063744), (2560, 7874750), (2600, 7753600), (3200, 6299800), (3250, 6202880), (3328, 6057500), (4000, 5039840), (4160, 4846000), (4846, 4160000), (5000, 4031872), (5120, 3937375), (5200, 3876800), (6400, 3149900), (6500, 3101440), (6656, 3028750), (8000, 2519920), (8125, 2481152), (8320, 2423000), (9692, 2080000), (10000, 2015936), (10400, 1938400), (12115, 1664000), (12800, 1574950), (13000, 1550720), (13312, 1514375), (16000, 1259960), (16250, 1240576), (16640, 1211500), (19384, 1040000), (20000, 1007968), (20800, 969200), (24230, 832000), (25600, 787475), (26000, 775360), (31499, 640000), (32000, 629980), (32500, 620288), (33280, 605750), (38768, 520000), (40000, 503984), (41600, 484600), (48460, 416000), (52000, 387680), (60575, 332800), (62998, 320000), (64000, 314990), (65000, 310144), (66560, 302875), (77536, 260000), (80000, 251992), (83200, 242300), (96920, 208000), (104000, 193840), (121150, 166400), (125996, 160000), (128000, 157495), (130000, 155072)]