201002800

素因数分解:

$2^4\times 5^2\times {\mathrm{502507}}^1$

素因数の和:502525

約数の個数: 30

約数和(自身を含む): 482910188

約数和(自身を除く): 281907388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 502507, 1005014, 2010028, 2512535, 4020056, 5025070, 8040112, 10050140, 12562675, 20100280, 25125350, 40200560, 50250700, 100501400, 201002800]

約数ペア:

[(1, 201002800), (2, 100501400), (4, 50250700), (5, 40200560), (8, 25125350), (10, 20100280), (16, 12562675), (20, 10050140), (25, 8040112), (40, 5025070), (50, 4020056), (80, 2512535), (100, 2010028), (200, 1005014), (400, 502507)]