25440004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 45793440

約数和(自身を除く): 20353436

約数列:

[1, 2, 4, 43, 86, 172, 353, 419, 706, 838, 1412, 1676, 15179, 18017, 30358, 36034, 60716, 72068, 147907, 295814, 591628, 6360001, 12720002, 25440004]

約数ペア:

[(1, 25440004), (2, 12720002), (4, 6360001), (43, 591628), (86, 295814), (172, 147907), (353, 72068), (419, 60716), (706, 36034), (838, 30358), (1412, 18017), (1676, 15179)]