38863180

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4751}}^1$

素因数の和:5169

約数の個数: 24

約数和(自身を含む): 81829440

約数和(自身を除く): 42966260

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 4751, 8180, 9502, 19004, 23755, 47510, 95020, 1943159, 3886318, 7772636, 9715795, 19431590, 38863180]

約数ペア:

[(1, 38863180), (2, 19431590), (4, 9715795), (5, 7772636), (10, 3886318), (20, 1943159), (409, 95020), (818, 47510), (1636, 23755), (2045, 19004), (4090, 9502), (4751, 8180)]