1439120

素因数分解:

$2^4\times 5^1\times {\mathrm{17989}}^1$

素因数の和:18002

約数の個数: 20

約数和(自身を含む): 3346140

約数和(自身を除く): 1907020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17989, 35978, 71956, 89945, 143912, 179890, 287824, 359780, 719560, 1439120]

約数ペア:

[(1, 1439120), (2, 719560), (4, 359780), (5, 287824), (8, 179890), (10, 143912), (16, 89945), (20, 71956), (40, 35978), (80, 17989)]