15908440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2903}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 36067680

約数和(自身を除く): 20159240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2903, 5480, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 397711, 795422, 1590844, 1988555, 3181688, 3977110, 7954220, 15908440]

約数ペア:

[(1, 15908440), (2, 7954220), (4, 3977110), (5, 3181688), (8, 1988555), (10, 1590844), (20, 795422), (40, 397711), (137, 116120), (274, 58060), (548, 29030), (685, 23224), (1096, 14515), (1370, 11612), (2740, 5806), (2903, 5480)]