128026180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{336911}}^1$

素因数の和:336939

約数の個数: 24

約数和(自身を含む): 283006080

約数和(自身を除く): 154979900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 336911, 673822, 1347644, 1684555, 3369110, 6401309, 6738220, 12802618, 25605236, 32006545, 64013090, 128026180]

約数ペア:

[(1, 128026180), (2, 64013090), (4, 32006545), (5, 25605236), (10, 12802618), (19, 6738220), (20, 6401309), (38, 3369110), (76, 1684555), (95, 1347644), (190, 673822), (380, 336911)]