201987080

素因数分解:

$2^3\times 5^1\times {\mathrm{5049677}}^1$

素因数の和:5049688

約数の個数: 16

約数和(自身を含む): 454471020

約数和(自身を除く): 252483940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049677, 10099354, 20198708, 25248385, 40397416, 50496770, 100993540, 201987080]

約数ペア:

[(1, 201987080), (2, 100993540), (4, 50496770), (5, 40397416), (8, 25248385), (10, 20198708), (20, 10099354), (40, 5049677)]