77883440

素因数分解:

$2^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1039}}^1$

素因数の和:1989

約数の個数: 40

約数和(自身を含む): 181446720

約数和(自身を除く): 103563280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 937, 1039, 1874, 2078, 3748, 4156, 4685, 5195, 7496, 8312, 9370, 10390, 14992, 16624, 18740, 20780, 37480, 41560, 74960, 83120, 973543, 1947086, 3894172, 4867715, 7788344, 9735430, 15576688, 19470860, 38941720, 77883440]

約数ペア:

[(1, 77883440), (2, 38941720), (4, 19470860), (5, 15576688), (8, 9735430), (10, 7788344), (16, 4867715), (20, 3894172), (40, 1947086), (80, 973543), (937, 83120), (1039, 74960), (1874, 41560), (2078, 37480), (3748, 20780), (4156, 18740), (4685, 16624), (5195, 14992), (7496, 10390), (8312, 9370)]