28755580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205397}}^1$

素因数の和:205413

約数の個数: 24

約数和(自身を含む): 69013728

約数和(自身を除く): 40258148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205397, 410794, 821588, 1026985, 1437779, 2053970, 2875558, 4107940, 5751116, 7188895, 14377790, 28755580]

約数ペア:

[(1, 28755580), (2, 14377790), (4, 7188895), (5, 5751116), (7, 4107940), (10, 2875558), (14, 2053970), (20, 1437779), (28, 1026985), (35, 821588), (70, 410794), (140, 205397)]