69168080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20107}}^1$

素因数の和:20163

約数の個数: 40

約数和(自身を含む): 164563872

約数和(自身を除く): 95395792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20107, 40214, 80428, 100535, 160856, 201070, 321712, 402140, 804280, 864601, 1608560, 1729202, 3458404, 4323005, 6916808, 8646010, 13833616, 17292020, 34584040, 69168080]

約数ペア:

[(1, 69168080), (2, 34584040), (4, 17292020), (5, 13833616), (8, 8646010), (10, 6916808), (16, 4323005), (20, 3458404), (40, 1729202), (43, 1608560), (80, 864601), (86, 804280), (172, 402140), (215, 321712), (344, 201070), (430, 160856), (688, 100535), (860, 80428), (1720, 40214), (3440, 20107)]