84235420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19961}}^1$

素因数の和:20181

約数の個数: 24

約数和(自身を含む): 177741648

約数和(自身を除く): 93506228

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 19961, 39922, 79844, 99805, 199610, 399220, 4211771, 8423542, 16847084, 21058855, 42117710, 84235420]

約数ペア:

[(1, 84235420), (2, 42117710), (4, 21058855), (5, 16847084), (10, 8423542), (20, 4211771), (211, 399220), (422, 199610), (844, 99805), (1055, 79844), (2110, 39922), (4220, 19961)]