12987050

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1454

約数の個数: 24

約数和(自身を含む): 24290112

約数和(自身を除く): 11303062

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 1231, 2110, 2462, 5275, 6155, 10550, 12310, 30775, 61550, 259741, 519482, 1298705, 2597410, 6493525, 12987050]

約数ペア:

[(1, 12987050), (2, 6493525), (5, 2597410), (10, 1298705), (25, 519482), (50, 259741), (211, 61550), (422, 30775), (1055, 12310), (1231, 10550), (2110, 6155), (2462, 5275)]