2551040

素因数分解:

$2^8\times 5^1\times {\mathrm{1993}}^1$

素因数の和:2014

約数の個数: 36

約数和(自身を含む): 6113604

約数和(自身を除く): 3562564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1993, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 63776, 79720, 127552, 159440, 255104, 318880, 510208, 637760, 1275520, 2551040]

約数ペア:

[(1, 2551040), (2, 1275520), (4, 637760), (5, 510208), (8, 318880), (10, 255104), (16, 159440), (20, 127552), (32, 79720), (40, 63776), (64, 39860), (80, 31888), (128, 19930), (160, 15944), (256, 9965), (320, 7972), (640, 3986), (1280, 1993)]