40087100

素因数分解:

$2^2\times 5^2\times {\mathrm{400871}}^1$

素因数の和:400885

約数の個数: 18

約数和(自身を含む): 86989224

約数和(自身を除く): 46902124

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 400871, 801742, 1603484, 2004355, 4008710, 8017420, 10021775, 20043550, 40087100]

約数ペア:

[(1, 40087100), (2, 20043550), (4, 10021775), (5, 8017420), (10, 4008710), (20, 2004355), (25, 1603484), (50, 801742), (100, 400871)]