25744240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16937}}^1$

素因数の和:16969

約数の個数: 40

約数和(自身を含む): 63009360

約数和(自身を除く): 37265120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16937, 33874, 67748, 84685, 135496, 169370, 270992, 321803, 338740, 643606, 677480, 1287212, 1354960, 1609015, 2574424, 3218030, 5148848, 6436060, 12872120, 25744240]

約数ペア:

[(1, 25744240), (2, 12872120), (4, 6436060), (5, 5148848), (8, 3218030), (10, 2574424), (16, 1609015), (19, 1354960), (20, 1287212), (38, 677480), (40, 643606), (76, 338740), (80, 321803), (95, 270992), (152, 169370), (190, 135496), (304, 84685), (380, 67748), (760, 33874), (1520, 16937)]