2080336880

素因数分解:

$2^4\times 5^1\times {\mathrm{26004211}}^1$

素因数の和:26004224

約数の個数: 20

約数和(自身を含む): 4836783432

約数和(自身を除く): 2756446552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26004211, 52008422, 104016844, 130021055, 208033688, 260042110, 416067376, 520084220, 1040168440, 2080336880]

約数ペア:

[(1, 2080336880), (2, 1040168440), (4, 520084220), (5, 416067376), (8, 260042110), (10, 208033688), (16, 130021055), (20, 104016844), (40, 52008422), (80, 26004211)]