4444280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 10085040

約数和(自身を除く): 5640760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 811, 1096, 1370, 1622, 2740, 3244, 4055, 5480, 6488, 8110, 16220, 32440, 111107, 222214, 444428, 555535, 888856, 1111070, 2222140, 4444280]

約数ペア:

[(1, 4444280), (2, 2222140), (4, 1111070), (5, 888856), (8, 555535), (10, 444428), (20, 222214), (40, 111107), (137, 32440), (274, 16220), (548, 8110), (685, 6488), (811, 5480), (1096, 4055), (1370, 3244), (1622, 2740)]