2548780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9803}}^1$

素因数の和:9825

約数の個数: 24

約数和(自身を含む): 5764752

約数和(自身を除く): 3215972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9803, 19606, 39212, 49015, 98030, 127439, 196060, 254878, 509756, 637195, 1274390, 2548780]

約数ペア:

[(1, 2548780), (2, 1274390), (4, 637195), (5, 509756), (10, 254878), (13, 196060), (20, 127439), (26, 98030), (52, 49015), (65, 39212), (130, 19606), (260, 9803)]