264143840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38393}}^1$

素因数の和:38451

約数の個数: 48

約数和(自身を含む): 638569008

約数和(自身を除く): 374425168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 38393, 76786, 153572, 191965, 307144, 383930, 614288, 767860, 1228576, 1535720, 1650899, 3071440, 3301798, 6142880, 6603596, 8254495, 13207192, 16508990, 26414384, 33017980, 52828768, 66035960, 132071920, 264143840]

約数ペア:

[(1, 264143840), (2, 132071920), (4, 66035960), (5, 52828768), (8, 33017980), (10, 26414384), (16, 16508990), (20, 13207192), (32, 8254495), (40, 6603596), (43, 6142880), (80, 3301798), (86, 3071440), (160, 1650899), (172, 1535720), (215, 1228576), (344, 767860), (430, 614288), (688, 383930), (860, 307144), (1376, 191965), (1720, 153572), (3440, 76786), (6880, 38393)]