55136980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 122693760

約数和(自身を除く): 67556780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 1789, 3082, 3578, 6164, 7156, 7705, 8945, 15410, 17890, 30820, 35780, 41147, 82294, 119863, 164588, 205735, 239726, 411470, 479452, 599315, 822940, 1198630, 2397260, 2756849, 5513698, 11027396, 13784245, 27568490, 55136980]

約数ペア:

[(1, 55136980), (2, 27568490), (4, 13784245), (5, 11027396), (10, 5513698), (20, 2756849), (23, 2397260), (46, 1198630), (67, 822940), (92, 599315), (115, 479452), (134, 411470), (230, 239726), (268, 205735), (335, 164588), (460, 119863), (670, 82294), (1340, 41147), (1541, 35780), (1789, 30820), (3082, 17890), (3578, 15410), (6164, 8945), (7156, 7705)]