2563720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 5832000

約数和(自身を除く): 3268280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 599, 856, 1070, 1198, 2140, 2396, 2995, 4280, 4792, 5990, 11980, 23960, 64093, 128186, 256372, 320465, 512744, 640930, 1281860, 2563720]

約数ペア:

[(1, 2563720), (2, 1281860), (4, 640930), (5, 512744), (8, 320465), (10, 256372), (20, 128186), (40, 64093), (107, 23960), (214, 11980), (428, 5990), (535, 4792), (599, 4280), (856, 2995), (1070, 2396), (1198, 2140)]