9439120

素因数分解:

$2^4\times 5^1\times {\mathrm{117989}}^1$

素因数の和:118002

約数の個数: 20

約数和(自身を含む): 21946140

約数和(自身を除く): 12507020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 117989, 235978, 471956, 589945, 943912, 1179890, 1887824, 2359780, 4719560, 9439120]

約数ペア:

[(1, 9439120), (2, 4719560), (4, 2359780), (5, 1887824), (8, 1179890), (10, 943912), (16, 589945), (20, 471956), (40, 235978), (80, 117989)]