2055885940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1447807}}^1$

素因数の和:1447887

約数の個数: 24

約数和(自身を含む): 4378171392

約数和(自身を除く): 2322285452

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1447807, 2895614, 5791228, 7239035, 14478070, 28956140, 102794297, 205588594, 411177188, 513971485, 1027942970, 2055885940]

約数ペア:

[(1, 2055885940), (2, 1027942970), (4, 513971485), (5, 411177188), (10, 205588594), (20, 102794297), (71, 28956140), (142, 14478070), (284, 7239035), (355, 5791228), (710, 2895614), (1420, 1447807)]