13431520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 32030208

約数和(自身を除く): 18598688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 661, 1016, 1270, 1322, 2032, 2540, 2644, 3305, 4064, 5080, 5288, 6610, 10160, 10576, 13220, 20320, 21152, 26440, 52880, 83947, 105760, 167894, 335788, 419735, 671576, 839470, 1343152, 1678940, 2686304, 3357880, 6715760, 13431520]

約数ペア:

[(1, 13431520), (2, 6715760), (4, 3357880), (5, 2686304), (8, 1678940), (10, 1343152), (16, 839470), (20, 671576), (32, 419735), (40, 335788), (80, 167894), (127, 105760), (160, 83947), (254, 52880), (508, 26440), (635, 21152), (661, 20320), (1016, 13220), (1270, 10576), (1322, 10160), (2032, 6610), (2540, 5288), (2644, 5080), (3305, 4064)]