28660180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10939}}^1$

素因数の和:11079

約数の個数: 24

約数和(自身を含む): 60651360

約数和(自身を除く): 31991180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 10939, 21878, 43756, 54695, 109390, 218780, 1433009, 2866018, 5732036, 7165045, 14330090, 28660180]

約数ペア:

[(1, 28660180), (2, 14330090), (4, 7165045), (5, 5732036), (10, 2866018), (20, 1433009), (131, 218780), (262, 109390), (524, 54695), (655, 43756), (1310, 21878), (2620, 10939)]