3964720

素因数分解:

$2^4\times 5^1\times {\mathrm{49559}}^1$

素因数の和:49572

約数の個数: 20

約数和(自身を含む): 9218160

約数和(自身を除く): 5253440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49559, 99118, 198236, 247795, 396472, 495590, 792944, 991180, 1982360, 3964720]

約数ペア:

[(1, 3964720), (2, 1982360), (4, 991180), (5, 792944), (8, 495590), (10, 396472), (16, 247795), (20, 198236), (40, 99118), (80, 49559)]