89528180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{639487}}^1$

素因数の和:639503

約数の個数: 24

約数和(自身を含む): 214867968

約数和(自身を除く): 125339788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 639487, 1278974, 2557948, 3197435, 4476409, 6394870, 8952818, 12789740, 17905636, 22382045, 44764090, 89528180]

約数ペア:

[(1, 89528180), (2, 44764090), (4, 22382045), (5, 17905636), (7, 12789740), (10, 8952818), (14, 6394870), (20, 4476409), (28, 3197435), (35, 2557948), (70, 1278974), (140, 639487)]