90586520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10733}}^1$

素因数の和:10955

約数の個数: 32

約数和(自身を含む): 204804720

約数和(自身を除く): 114218200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10733, 21466, 42932, 53665, 85864, 107330, 214660, 429320, 2264663, 4529326, 9058652, 11323315, 18117304, 22646630, 45293260, 90586520]

約数ペア:

[(1, 90586520), (2, 45293260), (4, 22646630), (5, 18117304), (8, 11323315), (10, 9058652), (20, 4529326), (40, 2264663), (211, 429320), (422, 214660), (844, 107330), (1055, 85864), (1688, 53665), (2110, 42932), (4220, 21466), (8440, 10733)]