8019440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 21936096

約数和(自身を除く): 13916656

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 701, 715, 880, 1040, 1144, 1402, 1430, 2288, 2804, 2860, 3505, 5608, 5720, 7010, 7711, 9113, 11216, 11440, 14020, 15422, 18226, 28040, 30844, 36452, 38555, 45565, 56080, 61688, 72904, 77110, 91130, 100243, 123376, 145808, 154220, 182260, 200486, 308440, 364520, 400972, 501215, 616880, 729040, 801944, 1002430, 1603888, 2004860, 4009720, 8019440]

約数ペア:

[(1, 8019440), (2, 4009720), (4, 2004860), (5, 1603888), (8, 1002430), (10, 801944), (11, 729040), (13, 616880), (16, 501215), (20, 400972), (22, 364520), (26, 308440), (40, 200486), (44, 182260), (52, 154220), (55, 145808), (65, 123376), (80, 100243), (88, 91130), (104, 77110), (110, 72904), (130, 61688), (143, 56080), (176, 45565), (208, 38555), (220, 36452), (260, 30844), (286, 28040), (440, 18226), (520, 15422), (572, 14020), (701, 11440), (715, 11216), (880, 9113), (1040, 7711), (1144, 7010), (1402, 5720), (1430, 5608), (2288, 3505), (2804, 2860)]