128510710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181001}}^1$

素因数の和:181079

約数の個数: 16

約数和(自身を含む): 234578592

約数和(自身を除く): 106067882

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 181001, 362002, 905005, 1810010, 12851071, 25702142, 64255355, 128510710]

約数ペア:

[(1, 128510710), (2, 64255355), (5, 25702142), (10, 12851071), (71, 1810010), (142, 905005), (355, 362002), (710, 181001)]