10020040

素因数分解:

$2^3\times 5^1\times {\mathrm{250501}}^1$

素因数の和:250512

約数の個数: 16

約数和(自身を含む): 22545180

約数和(自身を除く): 12525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 250501, 501002, 1002004, 1252505, 2004008, 2505010, 5010020, 10020040]

約数ペア:

[(1, 10020040), (2, 5010020), (4, 2505010), (5, 2004008), (8, 1252505), (10, 1002004), (20, 501002), (40, 250501)]