4082180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 8610840

約数和(自身を除く): 4528660

約数列:

[1, 2, 4, 5, 10, 20, 401, 509, 802, 1018, 1604, 2005, 2036, 2545, 4010, 5090, 8020, 10180, 204109, 408218, 816436, 1020545, 2041090, 4082180]

約数ペア:

[(1, 4082180), (2, 2041090), (4, 1020545), (5, 816436), (10, 408218), (20, 204109), (401, 10180), (509, 8020), (802, 5090), (1018, 4010), (1604, 2545), (2005, 2036)]