81260210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{114451}}^1$

素因数の和:114529

約数の個数: 16

約数和(自身を含む): 148329792

約数和(自身を除く): 67069582

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 114451, 228902, 572255, 1144510, 8126021, 16252042, 40630105, 81260210]

約数ペア:

[(1, 81260210), (2, 40630105), (5, 16252042), (10, 8126021), (71, 1144510), (142, 572255), (355, 228902), (710, 114451)]