8142080

素因数分解:

$2^8\times 5^1\times {\mathrm{6361}}^1$

素因数の和:6382

約数の個数: 36

約数和(自身を含む): 19505892

約数和(自身を除く): 11363812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6361, 12722, 25444, 31805, 50888, 63610, 101776, 127220, 203552, 254440, 407104, 508880, 814208, 1017760, 1628416, 2035520, 4071040, 8142080]

約数ペア:

[(1, 8142080), (2, 4071040), (4, 2035520), (5, 1628416), (8, 1017760), (10, 814208), (16, 508880), (20, 407104), (32, 254440), (40, 203552), (64, 127220), (80, 101776), (128, 63610), (160, 50888), (256, 31805), (320, 25444), (640, 12722), (1280, 6361)]