28702970840

素因数分解:

$2^3\times 5^1\times {\mathrm{717574271}}^1$

素因数の和:717574282

約数の個数: 16

約数和(自身を含む): 64581684480

約数和(自身を除く): 35878713640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717574271, 1435148542, 2870297084, 3587871355, 5740594168, 7175742710, 14351485420, 28702970840]

約数ペア:

[(1, 28702970840), (2, 14351485420), (4, 7175742710), (5, 5740594168), (8, 3587871355), (10, 2870297084), (20, 1435148542), (40, 717574271)]