3963920

素因数分解:

$2^4\times 5^1\times {\mathrm{49549}}^1$

素因数の和:49562

約数の個数: 20

約数和(自身を含む): 9216300

約数和(自身を除く): 5252380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49549, 99098, 198196, 247745, 396392, 495490, 792784, 990980, 1981960, 3963920]

約数ペア:

[(1, 3963920), (2, 1981960), (4, 990980), (5, 792784), (8, 495490), (10, 396392), (16, 247745), (20, 198196), (40, 99098), (80, 49549)]