25669940

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4127}}^1$

素因数の和:4447

約数の個数: 24

約数和(自身を含む): 54093312

約数和(自身を除く): 28423372

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4127, 6220, 8254, 16508, 20635, 41270, 82540, 1283497, 2566994, 5133988, 6417485, 12834970, 25669940]

約数ペア:

[(1, 25669940), (2, 12834970), (4, 6417485), (5, 5133988), (10, 2566994), (20, 1283497), (311, 82540), (622, 41270), (1244, 20635), (1555, 16508), (3110, 8254), (4127, 6220)]