49516820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{34871}}^1$

素因数の和:34951

約数の個数: 24

約数和(自身を含む): 105452928

約数和(自身を除く): 55936108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 34871, 69742, 139484, 174355, 348710, 697420, 2475841, 4951682, 9903364, 12379205, 24758410, 49516820]

約数ペア:

[(1, 49516820), (2, 24758410), (4, 12379205), (5, 9903364), (10, 4951682), (20, 2475841), (71, 697420), (142, 348710), (284, 174355), (355, 139484), (710, 69742), (1420, 34871)]