25205648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121181}}^1$

素因数の和:121202

約数の個数: 20

約数和(自身を含む): 52592988

約数和(自身を除く): 27387340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121181, 242362, 484724, 969448, 1575353, 1938896, 3150706, 6301412, 12602824, 25205648]

約数ペア:

[(1, 25205648), (2, 12602824), (4, 6301412), (8, 3150706), (13, 1938896), (16, 1575353), (26, 969448), (52, 484724), (104, 242362), (208, 121181)]