81746420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583903}}^1$

素因数の和:583919

約数の個数: 24

約数和(自身を含む): 196191744

約数和(自身を除く): 114445324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583903, 1167806, 2335612, 2919515, 4087321, 5839030, 8174642, 11678060, 16349284, 20436605, 40873210, 81746420]

約数ペア:

[(1, 81746420), (2, 40873210), (4, 20436605), (5, 16349284), (7, 11678060), (10, 8174642), (14, 5839030), (20, 4087321), (28, 2919515), (35, 2335612), (70, 1167806), (140, 583903)]