8581520

素因数分解:

$2^4\times 5^1\times {\mathrm{107269}}^1$

素因数の和:107282

約数の個数: 20

約数和(自身を含む): 19952220

約数和(自身を除く): 11370700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107269, 214538, 429076, 536345, 858152, 1072690, 1716304, 2145380, 4290760, 8581520]

約数ペア:

[(1, 8581520), (2, 4290760), (4, 2145380), (5, 1716304), (8, 1072690), (10, 858152), (16, 536345), (20, 429076), (40, 214538), (80, 107269)]