86881780

素因数分解:

$2^2\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{2141}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 182626920

約数和(自身を除く): 95745140

約数列:

[1, 2, 4, 5, 10, 20, 2029, 2141, 4058, 4282, 8116, 8564, 10145, 10705, 20290, 21410, 40580, 42820, 4344089, 8688178, 17376356, 21720445, 43440890, 86881780]

約数ペア:

[(1, 86881780), (2, 43440890), (4, 21720445), (5, 17376356), (10, 8688178), (20, 4344089), (2029, 42820), (2141, 40580), (4058, 21410), (4282, 20290), (8116, 10705), (8564, 10145)]