25255568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121421}}^1$

素因数の和:121442

約数の個数: 20

約数和(自身を含む): 52697148

約数和(自身を除く): 27441580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121421, 242842, 485684, 971368, 1578473, 1942736, 3156946, 6313892, 12627784, 25255568]

約数ペア:

[(1, 25255568), (2, 12627784), (4, 6313892), (8, 3156946), (13, 1942736), (16, 1578473), (26, 971368), (52, 485684), (104, 242842), (208, 121421)]