90805175

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 116212800

約数和(自身を除く): 25407625

約数列:

[1, 5, 25, 47, 109, 235, 545, 709, 1175, 2725, 3545, 5123, 17725, 25615, 33323, 77281, 128075, 166615, 386405, 833075, 1932025, 3632207, 18161035, 90805175]

約数ペア:

[(1, 90805175), (5, 18161035), (25, 3632207), (47, 1932025), (109, 833075), (235, 386405), (545, 166615), (709, 128075), (1175, 77281), (2725, 33323), (3545, 25615), (5123, 17725)]