81650710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{115001}}^1$

素因数の和:115079

約数の個数: 16

約数和(自身を含む): 149042592

約数和(自身を除く): 67391882

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 115001, 230002, 575005, 1150010, 8165071, 16330142, 40825355, 81650710]

約数ペア:

[(1, 81650710), (2, 40825355), (5, 16330142), (10, 8165071), (71, 1150010), (142, 575005), (355, 230002), (710, 115001)]