28141540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201011}}^1$

素因数の和:201027

約数の個数: 24

約数和(自身を含む): 67540032

約数和(自身を除く): 39398492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201011, 402022, 804044, 1005055, 1407077, 2010110, 2814154, 4020220, 5628308, 7035385, 14070770, 28141540]

約数ペア:

[(1, 28141540), (2, 14070770), (4, 7035385), (5, 5628308), (7, 4020220), (10, 2814154), (14, 2010110), (20, 1407077), (28, 1005055), (35, 804044), (70, 402022), (140, 201011)]