200817640

素因数分解:

$2^3\times 5^1\times {\mathrm{5020441}}^1$

素因数の和:5020452

約数の個数: 16

約数和(自身を含む): 451839780

約数和(自身を除く): 251022140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5020441, 10040882, 20081764, 25102205, 40163528, 50204410, 100408820, 200817640]

約数ペア:

[(1, 200817640), (2, 100408820), (4, 50204410), (5, 40163528), (8, 25102205), (10, 20081764), (20, 10040882), (40, 5020441)]