81140200

素因数分解:

$2^3\times 5^2\times {\mathrm{405701}}^1$

素因数の和:405717

約数の個数: 24

約数和(自身を含む): 188651430

約数和(自身を除く): 107511230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 405701, 811402, 1622804, 2028505, 3245608, 4057010, 8114020, 10142525, 16228040, 20285050, 40570100, 81140200]

約数ペア:

[(1, 81140200), (2, 40570100), (4, 20285050), (5, 16228040), (8, 10142525), (10, 8114020), (20, 4057010), (25, 3245608), (40, 2028505), (50, 1622804), (100, 811402), (200, 405701)]