25520900

素因数分解:

$2^2\times 5^2\times {\mathrm{255209}}^1$

素因数の和:255223

約数の個数: 18

約数和(自身を含む): 55380570

約数和(自身を除く): 29859670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 255209, 510418, 1020836, 1276045, 2552090, 5104180, 6380225, 12760450, 25520900]

約数ペア:

[(1, 25520900), (2, 12760450), (4, 6380225), (5, 5104180), (10, 2552090), (20, 1276045), (25, 1020836), (50, 510418), (100, 255209)]