128185600

素因数分解:

$2^8\times 5^2\times {\mathrm{20029}}^1$

素因数の和:20055

約数の個数: 54

約数和(自身を含む): 317295230

約数和(自身を除く): 189109630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20029, 40058, 80116, 100145, 160232, 200290, 320464, 400580, 500725, 640928, 801160, 1001450, 1281856, 1602320, 2002900, 2563712, 3204640, 4005800, 5127424, 6409280, 8011600, 12818560, 16023200, 25637120, 32046400, 64092800, 128185600]

約数ペア:

[(1, 128185600), (2, 64092800), (4, 32046400), (5, 25637120), (8, 16023200), (10, 12818560), (16, 8011600), (20, 6409280), (25, 5127424), (32, 4005800), (40, 3204640), (50, 2563712), (64, 2002900), (80, 1602320), (100, 1281856), (128, 1001450), (160, 801160), (200, 640928), (256, 500725), (320, 400580), (400, 320464), (640, 200290), (800, 160232), (1280, 100145), (1600, 80116), (3200, 40058), (6400, 20029)]