82140820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{178567}}^1$

素因数の和:178599

約数の個数: 24

約数和(自身を含む): 179996544

約数和(自身を除く): 97855724

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 178567, 357134, 714268, 892835, 1785670, 3571340, 4107041, 8214082, 16428164, 20535205, 41070410, 82140820]

約数ペア:

[(1, 82140820), (2, 41070410), (4, 20535205), (5, 16428164), (10, 8214082), (20, 4107041), (23, 3571340), (46, 1785670), (92, 892835), (115, 714268), (230, 357134), (460, 178567)]