25941136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124717}}^1$

素因数の和:124738

約数の個数: 20

約数和(自身を含む): 54127612

約数和(自身を除く): 28186476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124717, 249434, 498868, 997736, 1621321, 1995472, 3242642, 6485284, 12970568, 25941136]

約数ペア:

[(1, 25941136), (2, 12970568), (4, 6485284), (8, 3242642), (13, 1995472), (16, 1621321), (26, 997736), (52, 498868), (104, 249434), (208, 124717)]