40820456

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{71867}}^1$

素因数の和:71944

約数の個数: 16

約数和(自身を含む): 77617440

約数和(自身を除く): 36796984

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 71867, 143734, 287468, 574936, 5102557, 10205114, 20410228, 40820456]

約数ペア:

[(1, 40820456), (2, 20410228), (4, 10205114), (8, 5102557), (71, 574936), (142, 287468), (284, 143734), (568, 71867)]