8009975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 10767168

約数和(自身を除く): 2757193

約数列:

[1, 5, 17, 25, 47, 85, 235, 401, 425, 799, 1175, 2005, 3995, 6817, 10025, 18847, 19975, 34085, 94235, 170425, 320399, 471175, 1601995, 8009975]

約数ペア:

[(1, 8009975), (5, 1601995), (17, 471175), (25, 320399), (47, 170425), (85, 94235), (235, 34085), (401, 19975), (425, 18847), (799, 10025), (1175, 6817), (2005, 3995)]