81086440

素因数分解:

$2^3\times 5^1\times {\mathrm{2027161}}^1$

素因数の和:2027172

約数の個数: 16

約数和(自身を含む): 182444580

約数和(自身を除く): 101358140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027161, 4054322, 8108644, 10135805, 16217288, 20271610, 40543220, 81086440]

約数ペア:

[(1, 81086440), (2, 40543220), (4, 20271610), (5, 16217288), (8, 10135805), (10, 8108644), (20, 4054322), (40, 2027161)]