2080381615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{780631}}^1$

素因数の和:780690

約数の個数: 16

約数和(自身を含む): 2754069696

約数和(自身を除く): 673688081

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 780631, 3903155, 10148203, 32005871, 50741015, 160029355, 416076323, 2080381615]

約数ペア:

[(1, 2080381615), (5, 416076323), (13, 160029355), (41, 50741015), (65, 32005871), (205, 10148203), (533, 3903155), (2665, 780631)]