12664900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3089}}^1$

素因数の和:3144

約数の個数: 36

約数和(自身を含む): 28162260

約数和(自身を除く): 15497360

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 3089, 4100, 6178, 12356, 15445, 30890, 61780, 77225, 126649, 154450, 253298, 308900, 506596, 633245, 1266490, 2532980, 3166225, 6332450, 12664900]

約数ペア:

[(1, 12664900), (2, 6332450), (4, 3166225), (5, 2532980), (10, 1266490), (20, 633245), (25, 506596), (41, 308900), (50, 253298), (82, 154450), (100, 126649), (164, 77225), (205, 61780), (410, 30890), (820, 15445), (1025, 12356), (2050, 6178), (3089, 4100)]