25107790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28211}}^1$

素因数の和:28307

約数の個数: 16

約数和(自身を含む): 45703440

約数和(自身を除く): 20595650

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28211, 56422, 141055, 282110, 2510779, 5021558, 12553895, 25107790]

約数ペア:

[(1, 25107790), (2, 12553895), (5, 5021558), (10, 2510779), (89, 282110), (178, 141055), (445, 56422), (890, 28211)]