38648049320

素因数分解:

$2^3\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{488227}}^1$

素因数の和:490217

約数の個数: 32

約数和(自身を含む): 87002229600

約数和(自身を除く): 48354180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1979, 3958, 7916, 9895, 15832, 19790, 39580, 79160, 488227, 976454, 1952908, 2441135, 3905816, 4882270, 9764540, 19529080, 966201233, 1932402466, 3864804932, 4831006165, 7729609864, 9662012330, 19324024660, 38648049320]

約数ペア:

[(1, 38648049320), (2, 19324024660), (4, 9662012330), (5, 7729609864), (8, 4831006165), (10, 3864804932), (20, 1932402466), (40, 966201233), (1979, 19529080), (3958, 9764540), (7916, 4882270), (9895, 3905816), (15832, 2441135), (19790, 1952908), (39580, 976454), (79160, 488227)]