39967360

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 96334920

約数和(自身を除く): 56367560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 317, 320, 394, 634, 640, 788, 985, 1268, 1576, 1585, 1970, 2536, 3152, 3170, 3940, 5072, 6304, 6340, 7880, 10144, 12608, 12680, 15760, 20288, 25216, 25360, 31520, 40576, 50720, 62449, 63040, 101440, 124898, 126080, 202880, 249796, 312245, 499592, 624490, 999184, 1248980, 1998368, 2497960, 3996736, 4995920, 7993472, 9991840, 19983680, 39967360]

約数ペア:

[(1, 39967360), (2, 19983680), (4, 9991840), (5, 7993472), (8, 4995920), (10, 3996736), (16, 2497960), (20, 1998368), (32, 1248980), (40, 999184), (64, 624490), (80, 499592), (128, 312245), (160, 249796), (197, 202880), (317, 126080), (320, 124898), (394, 101440), (634, 63040), (640, 62449), (788, 50720), (985, 40576), (1268, 31520), (1576, 25360), (1585, 25216), (1970, 20288), (2536, 15760), (3152, 12680), (3170, 12608), (3940, 10144), (5072, 7880), (6304, 6340)]