39861140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 91748160

約数和(自身を除く): 51887020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 443, 818, 886, 1636, 1772, 2045, 2215, 4090, 4430, 4499, 4873, 8180, 8860, 8998, 9746, 17996, 19492, 22495, 24365, 44990, 48730, 89980, 97460, 181187, 362374, 724748, 905935, 1811870, 1993057, 3623740, 3986114, 7972228, 9965285, 19930570, 39861140]

約数ペア:

[(1, 39861140), (2, 19930570), (4, 9965285), (5, 7972228), (10, 3986114), (11, 3623740), (20, 1993057), (22, 1811870), (44, 905935), (55, 724748), (110, 362374), (220, 181187), (409, 97460), (443, 89980), (818, 48730), (886, 44990), (1636, 24365), (1772, 22495), (2045, 19492), (2215, 17996), (4090, 9746), (4430, 8998), (4499, 8860), (4873, 8180)]