2012181520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{375407}}^1$

素因数の和:375487

約数の個数: 40

約数和(自身を含む): 4748160384

約数和(自身を除く): 2735978864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 375407, 750814, 1501628, 1877035, 3003256, 3754070, 6006512, 7508140, 15016280, 25152269, 30032560, 50304538, 100609076, 125761345, 201218152, 251522690, 402436304, 503045380, 1006090760, 2012181520]

約数ペア:

[(1, 2012181520), (2, 1006090760), (4, 503045380), (5, 402436304), (8, 251522690), (10, 201218152), (16, 125761345), (20, 100609076), (40, 50304538), (67, 30032560), (80, 25152269), (134, 15016280), (268, 7508140), (335, 6006512), (536, 3754070), (670, 3003256), (1072, 1877035), (1340, 1501628), (2680, 750814), (5360, 375407)]