66318080

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 160265952

約数和(自身を除く): 93947872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 263, 320, 394, 526, 640, 788, 985, 1052, 1280, 1315, 1576, 1970, 2104, 2630, 3152, 3940, 4208, 5260, 6304, 7880, 8416, 10520, 12608, 15760, 16832, 21040, 25216, 31520, 33664, 42080, 50432, 51811, 63040, 67328, 84160, 103622, 126080, 168320, 207244, 252160, 259055, 336640, 414488, 518110, 828976, 1036220, 1657952, 2072440, 3315904, 4144880, 6631808, 8289760, 13263616, 16579520, 33159040, 66318080]

約数ペア:

[(1, 66318080), (2, 33159040), (4, 16579520), (5, 13263616), (8, 8289760), (10, 6631808), (16, 4144880), (20, 3315904), (32, 2072440), (40, 1657952), (64, 1036220), (80, 828976), (128, 518110), (160, 414488), (197, 336640), (256, 259055), (263, 252160), (320, 207244), (394, 168320), (526, 126080), (640, 103622), (788, 84160), (985, 67328), (1052, 63040), (1280, 51811), (1315, 50432), (1576, 42080), (1970, 33664), (2104, 31520), (2630, 25216), (3152, 21040), (3940, 16832), (4208, 15760), (5260, 12608), (6304, 10520), (7880, 8416)]