2015225840

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{198349}}^1$

素因数の和:198489

約数の個数: 40

約数和(自身を含む): 4722316800

約数和(自身を除く): 2707090960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 198349, 396698, 793396, 991745, 1586792, 1983490, 3173584, 3966980, 7933960, 15867920, 25190323, 50380646, 100761292, 125951615, 201522584, 251903230, 403045168, 503806460, 1007612920, 2015225840]

約数ペア:

[(1, 2015225840), (2, 1007612920), (4, 503806460), (5, 403045168), (8, 251903230), (10, 201522584), (16, 125951615), (20, 100761292), (40, 50380646), (80, 25190323), (127, 15867920), (254, 7933960), (508, 3966980), (635, 3173584), (1016, 1983490), (1270, 1586792), (2032, 991745), (2540, 793396), (5080, 396698), (10160, 198349)]