84200120

素因数分解:

$2^3\times 5^1\times {\mathrm{2105003}}^1$

素因数の和:2105014

約数の個数: 16

約数和(自身を含む): 189450360

約数和(自身を除く): 105250240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2105003, 4210006, 8420012, 10525015, 16840024, 21050030, 42100060, 84200120]

約数ペア:

[(1, 84200120), (2, 42100060), (4, 21050030), (5, 16840024), (8, 10525015), (10, 8420012), (20, 4210006), (40, 2105003)]