68907640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{36653}}^1$

素因数の和:36711

約数の個数: 32

約数和(自身を含む): 158345280

約数和(自身を除く): 89437640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 36653, 73306, 146612, 183265, 293224, 366530, 733060, 1466120, 1722691, 3445382, 6890764, 8613455, 13781528, 17226910, 34453820, 68907640]

約数ペア:

[(1, 68907640), (2, 34453820), (4, 17226910), (5, 13781528), (8, 8613455), (10, 6890764), (20, 3445382), (40, 1722691), (47, 1466120), (94, 733060), (188, 366530), (235, 293224), (376, 183265), (470, 146612), (940, 73306), (1880, 36653)]