81290030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{114493}}^1$

素因数の和:114571

約数の個数: 16

約数和(自身を含む): 148384224

約数和(自身を除く): 67094194

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 114493, 228986, 572465, 1144930, 8129003, 16258006, 40645015, 81290030]

約数ペア:

[(1, 81290030), (2, 40645015), (5, 16258006), (10, 8129003), (71, 1144930), (142, 572465), (355, 228986), (710, 114493)]