28301080

素因数分解:

$2^3\times 5^1\times {\mathrm{707527}}^1$

素因数の和:707538

約数の個数: 16

約数和(自身を含む): 63677520

約数和(自身を除く): 35376440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707527, 1415054, 2830108, 3537635, 5660216, 7075270, 14150540, 28301080]

約数ペア:

[(1, 28301080), (2, 14150540), (4, 7075270), (5, 5660216), (8, 3537635), (10, 2830108), (20, 1415054), (40, 707527)]