8238080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1609}}^1$

素因数の和:1634

約数の個数: 44

約数和(自身を含む): 19774020

約数和(自身を除く): 11535940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1609, 2560, 3218, 5120, 6436, 8045, 12872, 16090, 25744, 32180, 51488, 64360, 102976, 128720, 205952, 257440, 411904, 514880, 823808, 1029760, 1647616, 2059520, 4119040, 8238080]

約数ペア:

[(1, 8238080), (2, 4119040), (4, 2059520), (5, 1647616), (8, 1029760), (10, 823808), (16, 514880), (20, 411904), (32, 257440), (40, 205952), (64, 128720), (80, 102976), (128, 64360), (160, 51488), (256, 32180), (320, 25744), (512, 16090), (640, 12872), (1024, 8045), (1280, 6436), (1609, 5120), (2560, 3218)]