25662040

素因数分解:

$2^3\times 5^1\times {\mathrm{641551}}^1$

素因数の和:641562

約数の個数: 16

約数和(自身を含む): 57739680

約数和(自身を除く): 32077640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641551, 1283102, 2566204, 3207755, 5132408, 6415510, 12831020, 25662040]

約数ペア:

[(1, 25662040), (2, 12831020), (4, 6415510), (5, 5132408), (8, 3207755), (10, 2566204), (20, 1283102), (40, 641551)]