82990520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9833}}^1$

素因数の和:10055

約数の個数: 32

約数和(自身を含む): 187632720

約数和(自身を除く): 104642200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 9833, 19666, 39332, 49165, 78664, 98330, 196660, 393320, 2074763, 4149526, 8299052, 10373815, 16598104, 20747630, 41495260, 82990520]

約数ペア:

[(1, 82990520), (2, 41495260), (4, 20747630), (5, 16598104), (8, 10373815), (10, 8299052), (20, 4149526), (40, 2074763), (211, 393320), (422, 196660), (844, 98330), (1055, 78664), (1688, 49165), (2110, 39332), (4220, 19666), (8440, 9833)]