2480336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 5208000

約数和(自身を除く): 2727664

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 199, 304, 328, 398, 656, 779, 796, 1558, 1592, 3116, 3184, 3781, 6232, 7562, 8159, 12464, 15124, 16318, 30248, 32636, 60496, 65272, 130544, 155021, 310042, 620084, 1240168, 2480336]

約数ペア:

[(1, 2480336), (2, 1240168), (4, 620084), (8, 310042), (16, 155021), (19, 130544), (38, 65272), (41, 60496), (76, 32636), (82, 30248), (152, 16318), (164, 15124), (199, 12464), (304, 8159), (328, 7562), (398, 6232), (656, 3781), (779, 3184), (796, 3116), (1558, 1592)]