27800120

素因数分解:

$2^3\times 5^1\times {\mathrm{695003}}^1$

素因数の和:695014

約数の個数: 16

約数和(自身を含む): 62550360

約数和(自身を除く): 34750240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 695003, 1390006, 2780012, 3475015, 5560024, 6950030, 13900060, 27800120]

約数ペア:

[(1, 27800120), (2, 13900060), (4, 6950030), (5, 5560024), (8, 3475015), (10, 2780012), (20, 1390006), (40, 695003)]