8938780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4177}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 18951408

約数和(自身を除く): 10012628

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 4177, 8354, 16708, 20885, 41770, 83540, 446939, 893878, 1787756, 2234695, 4469390, 8938780]

約数ペア:

[(1, 8938780), (2, 4469390), (4, 2234695), (5, 1787756), (10, 893878), (20, 446939), (107, 83540), (214, 41770), (428, 20885), (535, 16708), (1070, 8354), (2140, 4177)]