12250540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 27542592

約数和(自身を除く): 15292052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 263, 274, 340, 526, 548, 685, 1052, 1315, 1370, 2329, 2630, 2740, 4471, 4658, 5260, 8942, 9316, 11645, 17884, 22355, 23290, 36031, 44710, 46580, 72062, 89420, 144124, 180155, 360310, 612527, 720620, 1225054, 2450108, 3062635, 6125270, 12250540]

約数ペア:

[(1, 12250540), (2, 6125270), (4, 3062635), (5, 2450108), (10, 1225054), (17, 720620), (20, 612527), (34, 360310), (68, 180155), (85, 144124), (137, 89420), (170, 72062), (263, 46580), (274, 44710), (340, 36031), (526, 23290), (548, 22355), (685, 17884), (1052, 11645), (1315, 9316), (1370, 8942), (2329, 5260), (2630, 4658), (2740, 4471)]