28421080

素因数分解:

$2^3\times 5^1\times {\mathrm{710527}}^1$

素因数の和:710538

約数の個数: 16

約数和(自身を含む): 63947520

約数和(自身を除く): 35526440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710527, 1421054, 2842108, 3552635, 5684216, 7105270, 14210540, 28421080]

約数ペア:

[(1, 28421080), (2, 14210540), (4, 7105270), (5, 5684216), (8, 3552635), (10, 2842108), (20, 1421054), (40, 710527)]