26499280

素因数分解:

$2^4\times 5^1\times {\mathrm{331241}}^1$

素因数の和:331254

約数の個数: 20

約数和(自身を含む): 61611012

約数和(自身を除く): 35111732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331241, 662482, 1324964, 1656205, 2649928, 3312410, 5299856, 6624820, 13249640, 26499280]

約数ペア:

[(1, 26499280), (2, 13249640), (4, 6624820), (5, 5299856), (8, 3312410), (10, 2649928), (16, 1656205), (20, 1324964), (40, 662482), (80, 331241)]