5125720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 11635200

約数和(自身を除く): 6509480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1009, 1016, 1270, 2018, 2540, 4036, 5045, 5080, 8072, 10090, 20180, 40360, 128143, 256286, 512572, 640715, 1025144, 1281430, 2562860, 5125720]

約数ペア:

[(1, 5125720), (2, 2562860), (4, 1281430), (5, 1025144), (8, 640715), (10, 512572), (20, 256286), (40, 128143), (127, 40360), (254, 20180), (508, 10090), (635, 8072), (1009, 5080), (1016, 5045), (1270, 4036), (2018, 2540)]