136431440

素因数分解:

$2^4\times 5^1\times {\mathrm{1705393}}^1$

素因数の和:1705406

約数の個数: 20

約数和(自身を含む): 317203284

約数和(自身を除く): 180771844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1705393, 3410786, 6821572, 8526965, 13643144, 17053930, 27286288, 34107860, 68215720, 136431440]

約数ペア:

[(1, 136431440), (2, 68215720), (4, 34107860), (5, 27286288), (8, 17053930), (10, 13643144), (16, 8526965), (20, 6821572), (40, 3410786), (80, 1705393)]