25180168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12781

約数の個数: 32

約数和(自身を含む): 53524800

約数和(自身を除く): 28344632

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12743, 25486, 50972, 101944, 165659, 242117, 331318, 484234, 662636, 968468, 1325272, 1936936, 3147521, 6295042, 12590084, 25180168]

約数ペア:

[(1, 25180168), (2, 12590084), (4, 6295042), (8, 3147521), (13, 1936936), (19, 1325272), (26, 968468), (38, 662636), (52, 484234), (76, 331318), (104, 242117), (152, 165659), (247, 101944), (494, 50972), (988, 25486), (1976, 12743)]