2810800

素因数分解:

$2^4\times 5^2\times {\mathrm{7027}}^1$

素因数の和:7045

約数の個数: 30

約数和(自身を含む): 6753908

約数和(自身を除く): 3943108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 7027, 14054, 28108, 35135, 56216, 70270, 112432, 140540, 175675, 281080, 351350, 562160, 702700, 1405400, 2810800]

約数ペア:

[(1, 2810800), (2, 1405400), (4, 702700), (5, 562160), (8, 351350), (10, 281080), (16, 175675), (20, 140540), (25, 112432), (40, 70270), (50, 56216), (80, 35135), (100, 28108), (200, 14054), (400, 7027)]