68770640

素因数分解:

$2^4\times 5^1\times {\mathrm{859633}}^1$

素因数の和:859646

約数の個数: 20

約数和(自身を含む): 159891924

約数和(自身を除く): 91121284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859633, 1719266, 3438532, 4298165, 6877064, 8596330, 13754128, 17192660, 34385320, 68770640]

約数ペア:

[(1, 68770640), (2, 34385320), (4, 17192660), (5, 13754128), (8, 8596330), (10, 6877064), (16, 4298165), (20, 3438532), (40, 1719266), (80, 859633)]