51511180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1399}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 124185600

約数和(自身を除く): 72674420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1399, 1841, 2630, 2798, 3682, 5260, 5596, 6995, 7364, 9205, 9793, 13990, 18410, 19586, 27980, 36820, 39172, 48965, 97930, 195860, 367937, 735874, 1471748, 1839685, 2575559, 3679370, 5151118, 7358740, 10302236, 12877795, 25755590, 51511180]

約数ペア:

[(1, 51511180), (2, 25755590), (4, 12877795), (5, 10302236), (7, 7358740), (10, 5151118), (14, 3679370), (20, 2575559), (28, 1839685), (35, 1471748), (70, 735874), (140, 367937), (263, 195860), (526, 97930), (1052, 48965), (1315, 39172), (1399, 36820), (1841, 27980), (2630, 19586), (2798, 18410), (3682, 13990), (5260, 9793), (5596, 9205), (6995, 7364)]