2667760400

素因数分解:

$2^4\times 5^2\times {\mathrm{6669401}}^1$

素因数の和:6669419

約数の個数: 30

約数和(自身を含む): 6409295322

約数和(自身を除く): 3741534922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6669401, 13338802, 26677604, 33347005, 53355208, 66694010, 106710416, 133388020, 166735025, 266776040, 333470050, 533552080, 666940100, 1333880200, 2667760400]

約数ペア:

[(1, 2667760400), (2, 1333880200), (4, 666940100), (5, 533552080), (8, 333470050), (10, 266776040), (16, 166735025), (20, 133388020), (25, 106710416), (40, 66694010), (50, 53355208), (80, 33347005), (100, 26677604), (200, 13338802), (400, 6669401)]