28142710

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25819}}^1$

素因数の和:25935

約数の個数: 16

約数和(自身を含む): 51123600

約数和(自身を除く): 22980890

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 25819, 51638, 129095, 258190, 2814271, 5628542, 14071355, 28142710]

約数ペア:

[(1, 28142710), (2, 14071355), (5, 5628542), (10, 2814271), (109, 258190), (218, 129095), (545, 51638), (1090, 25819)]