2512880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 5919264

約数和(自身を除く): 3406384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 311, 404, 505, 622, 808, 1010, 1244, 1555, 1616, 2020, 2488, 3110, 4040, 4976, 6220, 8080, 12440, 24880, 31411, 62822, 125644, 157055, 251288, 314110, 502576, 628220, 1256440, 2512880]

約数ペア:

[(1, 2512880), (2, 1256440), (4, 628220), (5, 502576), (8, 314110), (10, 251288), (16, 157055), (20, 125644), (40, 62822), (80, 31411), (101, 24880), (202, 12440), (311, 8080), (404, 6220), (505, 4976), (622, 4040), (808, 3110), (1010, 2488), (1244, 2020), (1555, 1616)]