2120080

素因数分解:

$2^4\times 5^1\times {\mathrm{26501}}^1$

素因数の和:26514

約数の個数: 20

約数和(自身を含む): 4929372

約数和(自身を除く): 2809292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26501, 53002, 106004, 132505, 212008, 265010, 424016, 530020, 1060040, 2120080]

約数ペア:

[(1, 2120080), (2, 1060040), (4, 530020), (5, 424016), (8, 265010), (10, 212008), (16, 132505), (20, 106004), (40, 53002), (80, 26501)]