25550080

素因数分解:

$2^8\times 5^1\times {\mathrm{19961}}^1$

素因数の和:19982

約数の個数: 36

約数和(自身を含む): 61203492

約数和(自身を除く): 35653412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 19961, 39922, 79844, 99805, 159688, 199610, 319376, 399220, 638752, 798440, 1277504, 1596880, 2555008, 3193760, 5110016, 6387520, 12775040, 25550080]

約数ペア:

[(1, 25550080), (2, 12775040), (4, 6387520), (5, 5110016), (8, 3193760), (10, 2555008), (16, 1596880), (20, 1277504), (32, 798440), (40, 638752), (64, 399220), (80, 319376), (128, 199610), (160, 159688), (256, 99805), (320, 79844), (640, 39922), (1280, 19961)]