205128961600

素因数分解:

$2^6\times 5^2\times {\mathrm{128205601}}^1$

素因数の和:128205623

約数の個数: 42

約数和(自身を含む): 504745455074

約数和(自身を除く): 299616493474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 128205601, 256411202, 512822404, 641028005, 1025644808, 1282056010, 2051289616, 2564112020, 3205140025, 4102579232, 5128224040, 6410280050, 8205158464, 10256448080, 12820560100, 20512896160, 25641120200, 41025792320, 51282240400, 102564480800, 205128961600]

約数ペア:

[(1, 205128961600), (2, 102564480800), (4, 51282240400), (5, 41025792320), (8, 25641120200), (10, 20512896160), (16, 12820560100), (20, 10256448080), (25, 8205158464), (32, 6410280050), (40, 5128224040), (50, 4102579232), (64, 3205140025), (80, 2564112020), (100, 2051289616), (160, 1282056010), (200, 1025644808), (320, 641028005), (400, 512822404), (800, 256411202), (1600, 128205601)]