12822025900

素因数分解:

$2^2\times 5^2\times {\mathrm{128220259}}^1$

素因数の和:128220273

約数の個数: 18

約数和(自身を含む): 27823796420

約数和(自身を除く): 15001770520

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 128220259, 256440518, 512881036, 641101295, 1282202590, 2564405180, 3205506475, 6411012950, 12822025900]

約数ペア:

[(1, 12822025900), (2, 6411012950), (4, 3205506475), (5, 2564405180), (10, 1282202590), (20, 641101295), (25, 512881036), (50, 256440518), (100, 128220259)]