16879120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 39651480

約数和(自身を除く): 22772360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2089, 4040, 4178, 8080, 8356, 10445, 16712, 20890, 33424, 41780, 83560, 167120, 210989, 421978, 843956, 1054945, 1687912, 2109890, 3375824, 4219780, 8439560, 16879120]

約数ペア:

[(1, 16879120), (2, 8439560), (4, 4219780), (5, 3375824), (8, 2109890), (10, 1687912), (16, 1054945), (20, 843956), (40, 421978), (80, 210989), (101, 167120), (202, 83560), (404, 41780), (505, 33424), (808, 20890), (1010, 16712), (1616, 10445), (2020, 8356), (2089, 8080), (4040, 4178)]