8451025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 11606400

約数和(自身を除く): 3155375

約数列:

[1, 5, 11, 25, 55, 79, 275, 389, 395, 869, 1945, 1975, 4279, 4345, 9725, 21395, 21725, 30731, 106975, 153655, 338041, 768275, 1690205, 8451025]

約数ペア:

[(1, 8451025), (5, 1690205), (11, 768275), (25, 338041), (55, 153655), (79, 106975), (275, 30731), (389, 21725), (395, 21395), (869, 9725), (1945, 4345), (1975, 4279)]