66609440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21945

約数の個数: 48

約数和(自身を含む): 165654720

約数和(自身を除く): 99045280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21911, 43822, 87644, 109555, 175288, 219110, 350576, 416309, 438220, 701152, 832618, 876440, 1665236, 1752880, 2081545, 3330472, 3505760, 4163090, 6660944, 8326180, 13321888, 16652360, 33304720, 66609440]

約数ペア:

[(1, 66609440), (2, 33304720), (4, 16652360), (5, 13321888), (8, 8326180), (10, 6660944), (16, 4163090), (19, 3505760), (20, 3330472), (32, 2081545), (38, 1752880), (40, 1665236), (76, 876440), (80, 832618), (95, 701152), (152, 438220), (160, 416309), (190, 350576), (304, 219110), (380, 175288), (608, 109555), (760, 87644), (1520, 43822), (3040, 21911)]