27981850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43049}}^1$

素因数の和:43074

約数の個数: 24

約数和(自身を含む): 56051100

約数和(自身を除く): 28069250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43049, 86098, 215245, 430490, 559637, 1076225, 1119274, 2152450, 2798185, 5596370, 13990925, 27981850]

約数ペア:

[(1, 27981850), (2, 13990925), (5, 5596370), (10, 2798185), (13, 2152450), (25, 1119274), (26, 1076225), (50, 559637), (65, 430490), (130, 215245), (325, 86098), (650, 43049)]