201993640

素因数分解:

$2^3\times 5^1\times {\mathrm{5049841}}^1$

素因数の和:5049852

約数の個数: 16

約数和(自身を含む): 454485780

約数和(自身を除く): 252492140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049841, 10099682, 20199364, 25249205, 40398728, 50498410, 100996820, 201993640]

約数ペア:

[(1, 201993640), (2, 100996820), (4, 50498410), (5, 40398728), (8, 25249205), (10, 20199364), (20, 10099682), (40, 5049841)]