3971020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{941}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 8387568

約数和(自身を除く): 4416548

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 941, 1055, 1882, 2110, 3764, 4220, 4705, 9410, 18820, 198551, 397102, 794204, 992755, 1985510, 3971020]

約数ペア:

[(1, 3971020), (2, 1985510), (4, 992755), (5, 794204), (10, 397102), (20, 198551), (211, 18820), (422, 9410), (844, 4705), (941, 4220), (1055, 3764), (1882, 2110)]