2005925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 2708160

約数和(自身を除く): 702235

約数列:

[1, 5, 19, 25, 41, 95, 103, 205, 475, 515, 779, 1025, 1957, 2575, 3895, 4223, 9785, 19475, 21115, 48925, 80237, 105575, 401185, 2005925]

約数ペア:

[(1, 2005925), (5, 401185), (19, 105575), (25, 80237), (41, 48925), (95, 21115), (103, 19475), (205, 9785), (475, 4223), (515, 3895), (779, 2575), (1025, 1957)]