159715120

素因数分解:

$2^4\times 5^1\times {\mathrm{1996439}}^1$

素因数の和:1996452

約数の個数: 20

約数和(自身を含む): 371337840

約数和(自身を除く): 211622720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1996439, 3992878, 7985756, 9982195, 15971512, 19964390, 31943024, 39928780, 79857560, 159715120]

約数ペア:

[(1, 159715120), (2, 79857560), (4, 39928780), (5, 31943024), (8, 19964390), (10, 15971512), (16, 9982195), (20, 7985756), (40, 3992878), (80, 1996439)]