27942850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{42989}}^1$

素因数の和:43014

約数の個数: 24

約数和(自身を含む): 55972980

約数和(自身を除く): 28030130

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 42989, 85978, 214945, 429890, 558857, 1074725, 1117714, 2149450, 2794285, 5588570, 13971425, 27942850]

約数ペア:

[(1, 27942850), (2, 13971425), (5, 5588570), (10, 2794285), (13, 2149450), (25, 1117714), (26, 1074725), (50, 558857), (65, 429890), (130, 214945), (325, 85978), (650, 42989)]