81655060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{177511}}^1$

素因数の和:177543

約数の個数: 24

約数和(自身を含む): 178932096

約数和(自身を除く): 97277036

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 177511, 355022, 710044, 887555, 1775110, 3550220, 4082753, 8165506, 16331012, 20413765, 40827530, 81655060]

約数ペア:

[(1, 81655060), (2, 40827530), (4, 20413765), (5, 16331012), (10, 8165506), (20, 4082753), (23, 3550220), (46, 1775110), (92, 887555), (115, 710044), (230, 355022), (460, 177511)]