87854960

素因数分解:

$2^4\times 5^1\times {\mathrm{1098187}}^1$

素因数の和:1098200

約数の個数: 20

約数和(自身を含む): 204262968

約数和(自身を除く): 116408008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1098187, 2196374, 4392748, 5490935, 8785496, 10981870, 17570992, 21963740, 43927480, 87854960]

約数ペア:

[(1, 87854960), (2, 43927480), (4, 21963740), (5, 17570992), (8, 10981870), (10, 8785496), (16, 5490935), (20, 4392748), (40, 2196374), (80, 1098187)]