2102780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 4511808

約数和(自身を除く): 2409028

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2237, 4474, 8948, 11185, 22370, 44740, 105139, 210278, 420556, 525695, 1051390, 2102780]

約数ペア:

[(1, 2102780), (2, 1051390), (4, 525695), (5, 420556), (10, 210278), (20, 105139), (47, 44740), (94, 22370), (188, 11185), (235, 8948), (470, 4474), (940, 2237)]