51810800

素因数分解:

$2^4\times 5^2\times {\mathrm{129527}}^1$

素因数の和:129545

約数の個数: 30

約数和(自身を含む): 124476408

約数和(自身を除く): 72665608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129527, 259054, 518108, 647635, 1036216, 1295270, 2072432, 2590540, 3238175, 5181080, 6476350, 10362160, 12952700, 25905400, 51810800]

約数ペア:

[(1, 51810800), (2, 25905400), (4, 12952700), (5, 10362160), (8, 6476350), (10, 5181080), (16, 3238175), (20, 2590540), (25, 2072432), (40, 1295270), (50, 1036216), (80, 647635), (100, 518108), (200, 259054), (400, 129527)]