28676720

素因数分解:

$2^4\times 5^1\times {\mathrm{358459}}^1$

素因数の和:358472

約数の個数: 20

約数和(自身を含む): 66673560

約数和(自身を除く): 37996840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358459, 716918, 1433836, 1792295, 2867672, 3584590, 5735344, 7169180, 14338360, 28676720]

約数ペア:

[(1, 28676720), (2, 14338360), (4, 7169180), (5, 5735344), (8, 3584590), (10, 2867672), (16, 1792295), (20, 1433836), (40, 716918), (80, 358459)]