28408840

素因数分解:

$2^3\times 5^1\times {\mathrm{710221}}^1$

素因数の和:710232

約数の個数: 16

約数和(自身を含む): 63919980

約数和(自身を除く): 35511140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710221, 1420442, 2840884, 3551105, 5681768, 7102210, 14204420, 28408840]

約数ペア:

[(1, 28408840), (2, 14204420), (4, 7102210), (5, 5681768), (8, 3551105), (10, 2840884), (20, 1420442), (40, 710221)]