218720120

素因数分解:

$2^3\times 5^1\times {\mathrm{5468003}}^1$

素因数の和:5468014

約数の個数: 16

約数和(自身を含む): 492120360

約数和(自身を除く): 273400240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5468003, 10936006, 21872012, 27340015, 43744024, 54680030, 109360060, 218720120]

約数ペア:

[(1, 218720120), (2, 109360060), (4, 54680030), (5, 43744024), (8, 27340015), (10, 21872012), (20, 10936006), (40, 5468003)]