2000718080

素因数分解:

$2^8\times 5^1\times {\mathrm{1563061}}^1$

素因数の和:1563082

約数の個数: 36

約数和(自身を含む): 4792348092

約数和(自身を除く): 2791630012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1563061, 3126122, 6252244, 7815305, 12504488, 15630610, 25008976, 31261220, 50017952, 62522440, 100035904, 125044880, 200071808, 250089760, 400143616, 500179520, 1000359040, 2000718080]

約数ペア:

[(1, 2000718080), (2, 1000359040), (4, 500179520), (5, 400143616), (8, 250089760), (10, 200071808), (16, 125044880), (20, 100035904), (32, 62522440), (40, 50017952), (64, 31261220), (80, 25008976), (128, 15630610), (160, 12504488), (256, 7815305), (320, 6252244), (640, 3126122), (1280, 1563061)]