80455420

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{11593}}^1$

素因数の和:11949

約数の個数: 24

約数和(自身を含む): 169457904

約数和(自身を除く): 89002484

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 11593, 23186, 46372, 57965, 115930, 231860, 4022771, 8045542, 16091084, 20113855, 40227710, 80455420]

約数ペア:

[(1, 80455420), (2, 40227710), (4, 20113855), (5, 16091084), (10, 8045542), (20, 4022771), (347, 231860), (694, 115930), (1388, 57965), (1735, 46372), (3470, 23186), (6940, 11593)]