80409985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{2729}}^1$

素因数の和:2888

約数の個数: 16

約数和(自身を含む): 99066240

約数和(自身を除く): 18656255

約数列:

[1, 5, 71, 83, 355, 415, 2729, 5893, 13645, 29465, 193759, 226507, 968795, 1132535, 16081997, 80409985]

約数ペア:

[(1, 80409985), (5, 16081997), (71, 1132535), (83, 968795), (355, 226507), (415, 193759), (2729, 29465), (5893, 13645)]