53997680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1494

約数の個数: 80

約数和(自身を含む): 140241024

約数和(自身を除く): 86243344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1427, 1720, 1892, 2365, 2854, 3440, 3784, 4730, 5708, 7135, 7568, 9460, 11416, 14270, 15697, 18920, 22832, 28540, 31394, 37840, 57080, 61361, 62788, 78485, 114160, 122722, 125576, 156970, 245444, 251152, 306805, 313940, 490888, 613610, 627880, 674971, 981776, 1227220, 1255760, 1349942, 2454440, 2699884, 3374855, 4908880, 5399768, 6749710, 10799536, 13499420, 26998840, 53997680]

約数ペア:

[(1, 53997680), (2, 26998840), (4, 13499420), (5, 10799536), (8, 6749710), (10, 5399768), (11, 4908880), (16, 3374855), (20, 2699884), (22, 2454440), (40, 1349942), (43, 1255760), (44, 1227220), (55, 981776), (80, 674971), (86, 627880), (88, 613610), (110, 490888), (172, 313940), (176, 306805), (215, 251152), (220, 245444), (344, 156970), (430, 125576), (440, 122722), (473, 114160), (688, 78485), (860, 62788), (880, 61361), (946, 57080), (1427, 37840), (1720, 31394), (1892, 28540), (2365, 22832), (2854, 18920), (3440, 15697), (3784, 14270), (4730, 11416), (5708, 9460), (7135, 7568)]