2080995760

素因数分解:

$2^4\times 5^1\times {\mathrm{26012447}}^1$

素因数の和:26012460

約数の個数: 20

約数和(自身を含む): 4838315328

約数和(自身を除く): 2757319568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26012447, 52024894, 104049788, 130062235, 208099576, 260124470, 416199152, 520248940, 1040497880, 2080995760]

約数ペア:

[(1, 2080995760), (2, 1040497880), (4, 520248940), (5, 416199152), (8, 260124470), (10, 208099576), (16, 130062235), (20, 104049788), (40, 52024894), (80, 26012447)]