13320775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2411}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 18842544

約数和(自身を除く): 5521769

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2411, 5525, 12055, 31343, 40987, 60275, 156715, 204935, 532831, 783575, 1024675, 2664155, 13320775]

約数ペア:

[(1, 13320775), (5, 2664155), (13, 1024675), (17, 783575), (25, 532831), (65, 204935), (85, 156715), (221, 60275), (325, 40987), (425, 31343), (1105, 12055), (2411, 5525)]