39259280

素因数分解:

$2^4\times 5^1\times {\mathrm{490741}}^1$

素因数の和:490754

約数の個数: 20

約数和(自身を含む): 91278012

約数和(自身を除く): 52018732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490741, 981482, 1962964, 2453705, 3925928, 4907410, 7851856, 9814820, 19629640, 39259280]

約数ペア:

[(1, 39259280), (2, 19629640), (4, 9814820), (5, 7851856), (8, 4907410), (10, 3925928), (16, 2453705), (20, 1962964), (40, 981482), (80, 490741)]