86547980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20509}}^1$

素因数の和:20729

約数の個数: 24

約数和(自身を含む): 182621040

約数和(自身を除く): 96073060

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 20509, 41018, 82036, 102545, 205090, 410180, 4327399, 8654798, 17309596, 21636995, 43273990, 86547980]

約数ペア:

[(1, 86547980), (2, 43273990), (4, 21636995), (5, 17309596), (10, 8654798), (20, 4327399), (211, 410180), (422, 205090), (844, 102545), (1055, 82036), (2110, 41018), (4220, 20509)]