289326080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{56509}}^1$

素因数の和:56534

約数の個数: 44

約数和(自身を含む): 694055820

約数和(自身を除く): 404729740

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, 56509, 113018, 226036, 282545, 452072, 565090, 904144, 1130180, 1808288, 2260360, 3616576, 4520720, 7233152, 9041440, 14466304, 18082880, 28932608, 36165760, 57865216, 72331520, 144663040, 289326080]

約数ペア:

[(1, 289326080), (2, 144663040), (4, 72331520), (5, 57865216), (8, 36165760), (10, 28932608), (16, 18082880), (20, 14466304), (32, 9041440), (40, 7233152), (64, 4520720), (80, 3616576), (128, 2260360), (160, 1808288), (256, 1130180), (320, 904144), (512, 565090), (640, 452072), (1024, 282545), (1280, 226036), (2560, 113018), (5120, 56509)]