20199887200

素因数分解:

$2^5\times 5^2\times {\mathrm{25249859}}^1$

素因数の和:25249879

約数の個数: 36

約数和(自身を含む): 49312976580

約数和(自身を除く): 29113089380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25249859, 50499718, 100999436, 126249295, 201998872, 252498590, 403997744, 504997180, 631246475, 807995488, 1009994360, 1262492950, 2019988720, 2524985900, 4039977440, 5049971800, 10099943600, 20199887200]

約数ペア:

[(1, 20199887200), (2, 10099943600), (4, 5049971800), (5, 4039977440), (8, 2524985900), (10, 2019988720), (16, 1262492950), (20, 1009994360), (25, 807995488), (32, 631246475), (40, 504997180), (50, 403997744), (80, 252498590), (100, 201998872), (160, 126249295), (200, 100999436), (400, 50499718), (800, 25249859)]