2180944520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{15277}}^1$

素因数の和:15414

約数の個数: 64

約数和(自身を含む): 5082073920

約数和(自身を除く): 2901129400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 1660, 1720, 3320, 3569, 7138, 14276, 15277, 17845, 28552, 30554, 35690, 61108, 71380, 76385, 122216, 142760, 152770, 305540, 611080, 656911, 1267991, 1313822, 2535982, 2627644, 3284555, 5071964, 5255288, 6339955, 6569110, 10143928, 12679910, 13138220, 25359820, 26276440, 50719640, 54523613, 109047226, 218094452, 272618065, 436188904, 545236130, 1090472260, 2180944520]

約数ペア:

[(1, 2180944520), (2, 1090472260), (4, 545236130), (5, 436188904), (8, 272618065), (10, 218094452), (20, 109047226), (40, 54523613), (43, 50719640), (83, 26276440), (86, 25359820), (166, 13138220), (172, 12679910), (215, 10143928), (332, 6569110), (344, 6339955), (415, 5255288), (430, 5071964), (664, 3284555), (830, 2627644), (860, 2535982), (1660, 1313822), (1720, 1267991), (3320, 656911), (3569, 611080), (7138, 305540), (14276, 152770), (15277, 142760), (17845, 122216), (28552, 76385), (30554, 71380), (35690, 61108)]