2050640

素因数分解:

$2^4\times 5^1\times {\mathrm{25633}}^1$

素因数の和:25646

約数の個数: 20

約数和(自身を含む): 4767924

約数和(自身を除く): 2717284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25633, 51266, 102532, 128165, 205064, 256330, 410128, 512660, 1025320, 2050640]

約数ペア:

[(1, 2050640), (2, 1025320), (4, 512660), (5, 410128), (8, 256330), (10, 205064), (16, 128165), (20, 102532), (40, 51266), (80, 25633)]