24998020

素因数分解:

$2^2\times 5^1\times {\mathrm{1249901}}^1$

素因数の和:1249910

約数の個数: 12

約数和(自身を含む): 52495884

約数和(自身を除く): 27497864

約数列:

[1, 2, 4, 5, 10, 20, 1249901, 2499802, 4999604, 6249505, 12499010, 24998020]

約数ペア:

[(1, 24998020), (2, 12499010), (4, 6249505), (5, 4999604), (10, 2499802), (20, 1249901)]