32780800

素因数分解:

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

素因数の和:238

約数の個数: 120

約数和(自身を含む): 87908436

約数和(自身を除く): 55127636

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 197, 200, 208, 256, 260, 320, 325, 394, 400, 416, 512, 520, 640, 650, 788, 800, 832, 985, 1040, 1280, 1300, 1576, 1600, 1664, 1970, 2080, 2560, 2561, 2600, 3152, 3200, 3328, 3940, 4160, 4925, 5122, 5200, 6304, 6400, 6656, 7880, 8320, 9850, 10244, 10400, 12608, 12800, 12805, 15760, 16640, 19700, 20488, 20800, 25216, 25610, 31520, 33280, 39400, 40976, 41600, 50432, 51220, 63040, 64025, 78800, 81952, 83200, 100864, 102440, 126080, 128050, 157600, 163904, 166400, 204880, 252160, 256100, 315200, 327808, 409760, 504320, 512200, 630400, 655616, 819520, 1024400, 1260800, 1311232, 1639040, 2048800, 2521600, 3278080, 4097600, 6556160, 8195200, 16390400, 32780800]

約数ペア:

[(1, 32780800), (2, 16390400), (4, 8195200), (5, 6556160), (8, 4097600), (10, 3278080), (13, 2521600), (16, 2048800), (20, 1639040), (25, 1311232), (26, 1260800), (32, 1024400), (40, 819520), (50, 655616), (52, 630400), (64, 512200), (65, 504320), (80, 409760), (100, 327808), (104, 315200), (128, 256100), (130, 252160), (160, 204880), (197, 166400), (200, 163904), (208, 157600), (256, 128050), (260, 126080), (320, 102440), (325, 100864), (394, 83200), (400, 81952), (416, 78800), (512, 64025), (520, 63040), (640, 51220), (650, 50432), (788, 41600), (800, 40976), (832, 39400), (985, 33280), (1040, 31520), (1280, 25610), (1300, 25216), (1576, 20800), (1600, 20488), (1664, 19700), (1970, 16640), (2080, 15760), (2560, 12805), (2561, 12800), (2600, 12608), (3152, 10400), (3200, 10244), (3328, 9850), (3940, 8320), (4160, 7880), (4925, 6656), (5122, 6400), (5200, 6304)]