64421275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 83923200

約数和(自身を除く): 19501925

約数列:

[1, 5, 23, 25, 115, 199, 563, 575, 995, 2815, 4577, 4975, 12949, 14075, 22885, 64745, 112037, 114425, 323725, 560185, 2576851, 2800925, 12884255, 64421275]

約数ペア:

[(1, 64421275), (5, 12884255), (23, 2800925), (25, 2576851), (115, 560185), (199, 323725), (563, 114425), (575, 112037), (995, 64745), (2815, 22885), (4577, 14075), (4975, 12949)]