40559710

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2029}}^1$

素因数の和:4035

約数の個数: 16

約数和(自身を含む): 73080000

約数和(自身を除く): 32520290

約数列:

[1, 2, 5, 10, 1999, 2029, 3998, 4058, 9995, 10145, 19990, 20290, 4055971, 8111942, 20279855, 40559710]

約数ペア:

[(1, 40559710), (2, 20279855), (5, 8111942), (10, 4055971), (1999, 20290), (2029, 19990), (3998, 10145), (4058, 9995)]