19830080000

素因数分解:

$2^9\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2068

約数の個数: 200

約数和(自身を含む): 51133632000

約数和(自身を除く): 31303552000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 625, 640, 775, 800, 992, 1000, 1240, 1250, 1280, 1550, 1600, 1984, 1999, 2000, 2480, 2500, 2560, 3100, 3200, 3875, 3968, 3998, 4000, 4960, 5000, 6200, 6400, 7750, 7936, 7996, 8000, 9920, 9995, 10000, 12400, 12800, 15500, 15872, 15992, 16000, 19375, 19840, 19990, 20000, 24800, 31000, 31984, 32000, 38750, 39680, 39980, 40000, 49600, 49975, 61969, 62000, 63968, 64000, 77500, 79360, 79960, 80000, 99200, 99950, 123938, 124000, 127936, 155000, 159920, 160000, 198400, 199900, 247876, 248000, 249875, 255872, 309845, 310000, 319840, 320000, 396800, 399800, 495752, 496000, 499750, 511744, 619690, 620000, 639680, 799600, 991504, 992000, 999500, 1023488, 1239380, 1240000, 1249375, 1279360, 1549225, 1599200, 1983008, 1984000, 1999000, 2478760, 2480000, 2498750, 2558720, 3098450, 3198400, 3966016, 3998000, 4957520, 4960000, 4997500, 5117440, 6196900, 6396800, 7746125, 7932032, 7996000, 9915040, 9920000, 9995000, 12393800, 12793600, 15492250, 15864064, 15992000, 19830080, 19990000, 24787600, 25587200, 30984500, 31728128, 31984000, 38730625, 39660160, 39980000, 49575200, 61969000, 63968000, 77461250, 79320320, 79960000, 99150400, 123938000, 127936000, 154922500, 158640640, 159920000, 198300800, 247876000, 309845000, 319840000, 396601600, 495752000, 619690000, 639680000, 793203200, 991504000, 1239380000, 1983008000, 2478760000, 3966016000, 4957520000, 9915040000, 19830080000]

約数ペア:

[(1, 19830080000), (2, 9915040000), (4, 4957520000), (5, 3966016000), (8, 2478760000), (10, 1983008000), (16, 1239380000), (20, 991504000), (25, 793203200), (31, 639680000), (32, 619690000), (40, 495752000), (50, 396601600), (62, 319840000), (64, 309845000), (80, 247876000), (100, 198300800), (124, 159920000), (125, 158640640), (128, 154922500), (155, 127936000), (160, 123938000), (200, 99150400), (248, 79960000), (250, 79320320), (256, 77461250), (310, 63968000), (320, 61969000), (400, 49575200), (496, 39980000), (500, 39660160), (512, 38730625), (620, 31984000), (625, 31728128), (640, 30984500), (775, 25587200), (800, 24787600), (992, 19990000), (1000, 19830080), (1240, 15992000), (1250, 15864064), (1280, 15492250), (1550, 12793600), (1600, 12393800), (1984, 9995000), (1999, 9920000), (2000, 9915040), (2480, 7996000), (2500, 7932032), (2560, 7746125), (3100, 6396800), (3200, 6196900), (3875, 5117440), (3968, 4997500), (3998, 4960000), (4000, 4957520), (4960, 3998000), (5000, 3966016), (6200, 3198400), (6400, 3098450), (7750, 2558720), (7936, 2498750), (7996, 2480000), (8000, 2478760), (9920, 1999000), (9995, 1984000), (10000, 1983008), (12400, 1599200), (12800, 1549225), (15500, 1279360), (15872, 1249375), (15992, 1240000), (16000, 1239380), (19375, 1023488), (19840, 999500), (19990, 992000), (20000, 991504), (24800, 799600), (31000, 639680), (31984, 620000), (32000, 619690), (38750, 511744), (39680, 499750), (39980, 496000), (40000, 495752), (49600, 399800), (49975, 396800), (61969, 320000), (62000, 319840), (63968, 310000), (64000, 309845), (77500, 255872), (79360, 249875), (79960, 248000), (80000, 247876), (99200, 199900), (99950, 198400), (123938, 160000), (124000, 159920), (127936, 155000)]