2149940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8269}}^1$

素因数の和:8291

約数の個数: 24

約数和(自身を含む): 4862760

約数和(自身を除く): 2712820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8269, 16538, 33076, 41345, 82690, 107497, 165380, 214994, 429988, 537485, 1074970, 2149940]

約数ペア:

[(1, 2149940), (2, 1074970), (4, 537485), (5, 429988), (10, 214994), (13, 165380), (20, 107497), (26, 82690), (52, 41345), (65, 33076), (130, 16538), (260, 8269)]