2905580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 6153840

約数和(自身を除く): 3248260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1109, 1310, 2218, 2620, 4436, 5545, 11090, 22180, 145279, 290558, 581116, 726395, 1452790, 2905580]

約数ペア:

[(1, 2905580), (2, 1452790), (4, 726395), (5, 581116), (10, 290558), (20, 145279), (131, 22180), (262, 11090), (524, 5545), (655, 4436), (1109, 2620), (1310, 2218)]