28400210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66047}}^1$

素因数の和:66097

約数の個数: 16

約数和(自身を含む): 52310016

約数和(自身を除く): 23909806

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 66047, 132094, 330235, 660470, 2840021, 5680042, 14200105, 28400210]

約数ペア:

[(1, 28400210), (2, 14200105), (5, 5680042), (10, 2840021), (43, 660470), (86, 330235), (215, 132094), (430, 66047)]