24995650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 48512520

約数和(自身を除く): 23516870

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 89, 137, 178, 205, 274, 410, 445, 685, 890, 1025, 1370, 2050, 2225, 3425, 3649, 4450, 5617, 6850, 7298, 11234, 12193, 18245, 24386, 28085, 36490, 56170, 60965, 91225, 121930, 140425, 182450, 280850, 304825, 499913, 609650, 999826, 2499565, 4999130, 12497825, 24995650]

約数ペア:

[(1, 24995650), (2, 12497825), (5, 4999130), (10, 2499565), (25, 999826), (41, 609650), (50, 499913), (82, 304825), (89, 280850), (137, 182450), (178, 140425), (205, 121930), (274, 91225), (410, 60965), (445, 56170), (685, 36490), (890, 28085), (1025, 24386), (1370, 18245), (2050, 12193), (2225, 11234), (3425, 7298), (3649, 6850), (4450, 5617)]