28169540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201211}}^1$

素因数の和:201227

約数の個数: 24

約数和(自身を含む): 67607232

約数和(自身を除く): 39437692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201211, 402422, 804844, 1006055, 1408477, 2012110, 2816954, 4024220, 5633908, 7042385, 14084770, 28169540]

約数ペア:

[(1, 28169540), (2, 14084770), (4, 7042385), (5, 5633908), (7, 4024220), (10, 2816954), (14, 2012110), (20, 1408477), (28, 1006055), (35, 804844), (70, 402422), (140, 201211)]