13968520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2549}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 31671000

約数和(自身を除く): 17702480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2549, 2740, 5098, 5480, 10196, 12745, 20392, 25490, 50980, 101960, 349213, 698426, 1396852, 1746065, 2793704, 3492130, 6984260, 13968520]

約数ペア:

[(1, 13968520), (2, 6984260), (4, 3492130), (5, 2793704), (8, 1746065), (10, 1396852), (20, 698426), (40, 349213), (137, 101960), (274, 50980), (548, 25490), (685, 20392), (1096, 12745), (1370, 10196), (2549, 5480), (2740, 5098)]