12105320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 28031940

約数和(自身を除く): 15926620

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 548, 685, 940, 1096, 1370, 1880, 2209, 2740, 4418, 5480, 6439, 8836, 11045, 12878, 17672, 22090, 25756, 32195, 44180, 51512, 64390, 88360, 128780, 257560, 302633, 605266, 1210532, 1513165, 2421064, 3026330, 6052660, 12105320]

約数ペア:

[(1, 12105320), (2, 6052660), (4, 3026330), (5, 2421064), (8, 1513165), (10, 1210532), (20, 605266), (40, 302633), (47, 257560), (94, 128780), (137, 88360), (188, 64390), (235, 51512), (274, 44180), (376, 32195), (470, 25756), (548, 22090), (685, 17672), (940, 12878), (1096, 11045), (1370, 8836), (1880, 6439), (2209, 5480), (2740, 4418)]