16659860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 40341504

約数和(自身を除く): 23681644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 937, 1270, 1778, 1874, 2540, 3556, 3748, 4445, 4685, 6559, 8890, 9370, 13118, 17780, 18740, 26236, 32795, 65590, 118999, 131180, 237998, 475996, 594995, 832993, 1189990, 1665986, 2379980, 3331972, 4164965, 8329930, 16659860]

約数ペア:

[(1, 16659860), (2, 8329930), (4, 4164965), (5, 3331972), (7, 2379980), (10, 1665986), (14, 1189990), (20, 832993), (28, 594995), (35, 475996), (70, 237998), (127, 131180), (140, 118999), (254, 65590), (508, 32795), (635, 26236), (889, 18740), (937, 17780), (1270, 13118), (1778, 9370), (1874, 8890), (2540, 6559), (3556, 4685), (3748, 4445)]