2080390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1264

約数の個数: 24

約数和(自身を含む): 4058208

約数和(自身を除く): 1977818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1231, 1690, 2462, 6155, 12310, 16003, 32006, 80015, 160030, 208039, 416078, 1040195, 2080390]

約数ペア:

[(1, 2080390), (2, 1040195), (5, 416078), (10, 208039), (13, 160030), (26, 80015), (65, 32006), (130, 16003), (169, 12310), (338, 6155), (845, 2462), (1231, 1690)]