520038800

素因数分解:

$2^4\times 5^2\times {\mathrm{1300097}}^1$

素因数の和:1300115

約数の個数: 30

約数和(自身を含む): 1249394178

約数和(自身を除く): 729355378

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1300097, 2600194, 5200388, 6500485, 10400776, 13000970, 20801552, 26001940, 32502425, 52003880, 65004850, 104007760, 130009700, 260019400, 520038800]

約数ペア:

[(1, 520038800), (2, 260019400), (4, 130009700), (5, 104007760), (8, 65004850), (10, 52003880), (16, 32502425), (20, 26001940), (25, 20801552), (40, 13000970), (50, 10400776), (80, 6500485), (100, 5200388), (200, 2600194), (400, 1300097)]