247491760

素因数分解:

$2^4\times 5^1\times {\mathrm{3093647}}^1$

素因数の和:3093660

約数の個数: 20

約数和(自身を含む): 575418528

約数和(自身を除く): 327926768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3093647, 6187294, 12374588, 15468235, 24749176, 30936470, 49498352, 61872940, 123745880, 247491760]

約数ペア:

[(1, 247491760), (2, 123745880), (4, 61872940), (5, 49498352), (8, 30936470), (10, 24749176), (16, 15468235), (20, 12374588), (40, 6187294), (80, 3093647)]