51514880

素因数分解:

$2^9\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20146

約数の個数: 40

約数和(自身を含む): 123521112

約数和(自身を除く): 72006232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 20123, 40246, 80492, 100615, 160984, 201230, 321968, 402460, 643936, 804920, 1287872, 1609840, 2575744, 3219680, 5151488, 6439360, 10302976, 12878720, 25757440, 51514880]

約数ペア:

[(1, 51514880), (2, 25757440), (4, 12878720), (5, 10302976), (8, 6439360), (10, 5151488), (16, 3219680), (20, 2575744), (32, 1609840), (40, 1287872), (64, 804920), (80, 643936), (128, 402460), (160, 321968), (256, 201230), (320, 160984), (512, 100615), (640, 80492), (1280, 40246), (2560, 20123)]