28782080

素因数分解:

$2^9\times 5^1\times {\mathrm{11243}}^1$

素因数の和:11266

約数の個数: 40

約数和(自身を含む): 69015672

約数和(自身を除く): 40233592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11243, 22486, 44972, 56215, 89944, 112430, 179888, 224860, 359776, 449720, 719552, 899440, 1439104, 1798880, 2878208, 3597760, 5756416, 7195520, 14391040, 28782080]

約数ペア:

[(1, 28782080), (2, 14391040), (4, 7195520), (5, 5756416), (8, 3597760), (10, 2878208), (16, 1798880), (20, 1439104), (32, 899440), (40, 719552), (64, 449720), (80, 359776), (128, 224860), (160, 179888), (256, 112430), (320, 89944), (512, 56215), (640, 44972), (1280, 22486), (2560, 11243)]