135757880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78929}}^1$

素因数の和:78983

約数の個数: 32

約数和(自身を含む): 312562800

約数和(自身を除く): 176804920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 78929, 157858, 315716, 394645, 631432, 789290, 1578580, 3157160, 3393947, 6787894, 13575788, 16969735, 27151576, 33939470, 67878940, 135757880]

約数ペア:

[(1, 135757880), (2, 67878940), (4, 33939470), (5, 27151576), (8, 16969735), (10, 13575788), (20, 6787894), (40, 3393947), (43, 3157160), (86, 1578580), (172, 789290), (215, 631432), (344, 394645), (430, 315716), (860, 157858), (1720, 78929)]