18222080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3559}}^1$

素因数の和:3584

約数の個数: 44

約数和(自身を含む): 43723920

約数和(自身を除く): 25501840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3559, 5120, 7118, 14236, 17795, 28472, 35590, 56944, 71180, 113888, 142360, 227776, 284720, 455552, 569440, 911104, 1138880, 1822208, 2277760, 3644416, 4555520, 9111040, 18222080]

約数ペア:

[(1, 18222080), (2, 9111040), (4, 4555520), (5, 3644416), (8, 2277760), (10, 1822208), (16, 1138880), (20, 911104), (32, 569440), (40, 455552), (64, 284720), (80, 227776), (128, 142360), (160, 113888), (256, 71180), (320, 56944), (512, 35590), (640, 28472), (1024, 17795), (1280, 14236), (2560, 7118), (3559, 5120)]