25821472

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{19681}}^1$

素因数の和:19732

約数の個数: 24

約数和(自身を含む): 52078572

約数和(自身を除く): 26257100

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 19681, 39362, 78724, 157448, 314896, 629792, 806921, 1613842, 3227684, 6455368, 12910736, 25821472]

約数ペア:

[(1, 25821472), (2, 12910736), (4, 6455368), (8, 3227684), (16, 1613842), (32, 806921), (41, 629792), (82, 314896), (164, 157448), (328, 78724), (656, 39362), (1312, 19681)]