51231100

素因数分解:

$2^2\times 5^2\times {\mathrm{512311}}^1$

素因数の和:512325

約数の個数: 18

約数和(自身を含む): 111171704

約数和(自身を除く): 59940604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 512311, 1024622, 2049244, 2561555, 5123110, 10246220, 12807775, 25615550, 51231100]

約数ペア:

[(1, 51231100), (2, 25615550), (4, 12807775), (5, 10246220), (10, 5123110), (20, 2561555), (25, 2049244), (50, 1024622), (100, 512311)]