2620228040

素因数分解:

$2^3\times 5^1\times {\mathrm{65505701}}^1$

素因数の和:65505712

約数の個数: 16

約数和(自身を含む): 5895513180

約数和(自身を除く): 3275285140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 65505701, 131011402, 262022804, 327528505, 524045608, 655057010, 1310114020, 2620228040]

約数ペア:

[(1, 2620228040), (2, 1310114020), (4, 655057010), (5, 524045608), (8, 327528505), (10, 262022804), (20, 131011402), (40, 65505701)]