1008817640

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{49549}}^1$

素因数の和:50069

約数の個数: 32

約数和(自身を含む): 2274345000

約数和(自身を除く): 1265527360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 49549, 99098, 198196, 247745, 396392, 495490, 990980, 1981960, 25220441, 50440882, 100881764, 126102205, 201763528, 252204410, 504408820, 1008817640]

約数ペア:

[(1, 1008817640), (2, 504408820), (4, 252204410), (5, 201763528), (8, 126102205), (10, 100881764), (20, 50440882), (40, 25220441), (509, 1981960), (1018, 990980), (2036, 495490), (2545, 396392), (4072, 247745), (5090, 198196), (10180, 99098), (20360, 49549)]