51310990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{72269}}^1$

素因数の和:72347

約数の個数: 16

約数和(自身を含む): 93661920

約数和(自身を除く): 42350930

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 72269, 144538, 361345, 722690, 5131099, 10262198, 25655495, 51310990]

約数ペア:

[(1, 51310990), (2, 25655495), (5, 10262198), (10, 5131099), (71, 722690), (142, 361345), (355, 144538), (710, 72269)]