85604360

素因数分解:

$2^3\times 5^1\times {\mathrm{2140109}}^1$

素因数の和:2140120

約数の個数: 16

約数和(自身を含む): 192609900

約数和(自身を除く): 107005540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2140109, 4280218, 8560436, 10700545, 17120872, 21401090, 42802180, 85604360]

約数ペア:

[(1, 85604360), (2, 42802180), (4, 21401090), (5, 17120872), (8, 10700545), (10, 8560436), (20, 4280218), (40, 2140109)]