40640004

素因数分解:

$2^2\times 3^2\times {\mathrm{1128889}}^1$

素因数の和:1128899

約数の個数: 18

約数和(自身を含む): 102728990

約数和(自身を除く): 62088986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1128889, 2257778, 3386667, 4515556, 6773334, 10160001, 13546668, 20320002, 40640004]

約数ペア:

[(1, 40640004), (2, 20320002), (3, 13546668), (4, 10160001), (6, 6773334), (9, 4515556), (12, 3386667), (18, 2257778), (36, 1128889)]