71126780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8101}}^1$

素因数の和:8549

約数の個数: 24

約数和(自身を含む): 149724960

約数和(自身を除く): 78598180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8101, 8780, 16202, 32404, 40505, 81010, 162020, 3556339, 7112678, 14225356, 17781695, 35563390, 71126780]

約数ペア:

[(1, 71126780), (2, 35563390), (4, 17781695), (5, 14225356), (10, 7112678), (20, 3556339), (439, 162020), (878, 81010), (1756, 40505), (2195, 32404), (4390, 16202), (8101, 8780)]