163904000

素因数分解:

$2^9\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 442377936

約数和(自身を除く): 278473936

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, 197, 200, 208, 250, 256, 260, 320, 325, 394, 400, 416, 500, 512, 520, 640, 650, 788, 800, 832, 985, 1000, 1040, 1280, 1300, 1576, 1600, 1625, 1664, 1970, 2000, 2080, 2560, 2561, 2600, 3152, 3200, 3250, 3328, 3940, 4000, 4160, 4925, 5122, 5200, 6304, 6400, 6500, 6656, 7880, 8000, 8320, 9850, 10244, 10400, 12608, 12800, 12805, 13000, 15760, 16000, 16640, 19700, 20488, 20800, 24625, 25216, 25610, 26000, 31520, 32000, 33280, 39400, 40976, 41600, 49250, 50432, 51220, 52000, 63040, 64000, 64025, 78800, 81952, 83200, 98500, 100864, 102440, 104000, 126080, 128050, 157600, 163904, 166400, 197000, 204880, 208000, 252160, 256100, 315200, 320125, 327808, 394000, 409760, 416000, 504320, 512200, 630400, 640250, 655616, 788000, 819520, 832000, 1024400, 1260800, 1280500, 1311232, 1576000, 1639040, 2048800, 2521600, 2561000, 3152000, 3278080, 4097600, 5122000, 6304000, 6556160, 8195200, 10244000, 12608000, 16390400, 20488000, 32780800, 40976000, 81952000, 163904000]

約数ペア:

[(1, 163904000), (2, 81952000), (4, 40976000), (5, 32780800), (8, 20488000), (10, 16390400), (13, 12608000), (16, 10244000), (20, 8195200), (25, 6556160), (26, 6304000), (32, 5122000), (40, 4097600), (50, 3278080), (52, 3152000), (64, 2561000), (65, 2521600), (80, 2048800), (100, 1639040), (104, 1576000), (125, 1311232), (128, 1280500), (130, 1260800), (160, 1024400), (197, 832000), (200, 819520), (208, 788000), (250, 655616), (256, 640250), (260, 630400), (320, 512200), (325, 504320), (394, 416000), (400, 409760), (416, 394000), (500, 327808), (512, 320125), (520, 315200), (640, 256100), (650, 252160), (788, 208000), (800, 204880), (832, 197000), (985, 166400), (1000, 163904), (1040, 157600), (1280, 128050), (1300, 126080), (1576, 104000), (1600, 102440), (1625, 100864), (1664, 98500), (1970, 83200), (2000, 81952), (2080, 78800), (2560, 64025), (2561, 64000), (2600, 63040), (3152, 52000), (3200, 51220), (3250, 50432), (3328, 49250), (3940, 41600), (4000, 40976), (4160, 39400), (4925, 33280), (5122, 32000), (5200, 31520), (6304, 26000), (6400, 25610), (6500, 25216), (6656, 24625), (7880, 20800), (8000, 20488), (8320, 19700), (9850, 16640), (10244, 16000), (10400, 15760), (12608, 13000), (12800, 12805)]