2017717880

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{117037}}^1$

素因数の和:117479

約数の個数: 32

約数和(自身を含む): 4550437440

約数和(自身を除く): 2532719560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 117037, 234074, 468148, 585185, 936296, 1170370, 2340740, 4681480, 50442947, 100885894, 201771788, 252214735, 403543576, 504429470, 1008858940, 2017717880]

約数ペア:

[(1, 2017717880), (2, 1008858940), (4, 504429470), (5, 403543576), (8, 252214735), (10, 201771788), (20, 100885894), (40, 50442947), (431, 4681480), (862, 2340740), (1724, 1170370), (2155, 936296), (3448, 585185), (4310, 468148), (8620, 234074), (17240, 117037)]