200800

素因数分解:

$2^5\times 5^2\times {\mathrm{251}}^1$

素因数の和:271

約数の個数: 36

約数和(自身を含む): 492156

約数和(自身を除く): 291356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 251, 400, 502, 800, 1004, 1255, 2008, 2510, 4016, 5020, 6275, 8032, 10040, 12550, 20080, 25100, 40160, 50200, 100400, 200800]

約数ペア:

[(1, 200800), (2, 100400), (4, 50200), (5, 40160), (8, 25100), (10, 20080), (16, 12550), (20, 10040), (25, 8032), (32, 6275), (40, 5020), (50, 4016), (80, 2510), (100, 2008), (160, 1255), (200, 1004), (251, 800), (400, 502)]