25972880

素因数分解:

$2^4\times 5^1\times {\mathrm{324661}}^1$

素因数の和:324674

約数の個数: 20

約数和(自身を含む): 60387132

約数和(自身を除く): 34414252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 324661, 649322, 1298644, 1623305, 2597288, 3246610, 5194576, 6493220, 12986440, 25972880]

約数ペア:

[(1, 25972880), (2, 12986440), (4, 6493220), (5, 5194576), (8, 3246610), (10, 2597288), (16, 1623305), (20, 1298644), (40, 649322), (80, 324661)]