87639040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17117}}^1$

素因数の和:17142

約数の個数: 44

約数和(自身を含む): 210243276

約数和(自身を除く): 122604236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17117, 34234, 68468, 85585, 136936, 171170, 273872, 342340, 547744, 684680, 1095488, 1369360, 2190976, 2738720, 4381952, 5477440, 8763904, 10954880, 17527808, 21909760, 43819520, 87639040]

約数ペア:

[(1, 87639040), (2, 43819520), (4, 21909760), (5, 17527808), (8, 10954880), (10, 8763904), (16, 5477440), (20, 4381952), (32, 2738720), (40, 2190976), (64, 1369360), (80, 1095488), (128, 684680), (160, 547744), (256, 342340), (320, 273872), (512, 171170), (640, 136936), (1024, 85585), (1280, 68468), (2560, 34234), (5120, 17117)]