1633220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 3462144

約数和(自身を除く): 1828924

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 643, 1270, 1286, 2540, 2572, 3215, 6430, 12860, 81661, 163322, 326644, 408305, 816610, 1633220]

約数ペア:

[(1, 1633220), (2, 816610), (4, 408305), (5, 326644), (10, 163322), (20, 81661), (127, 12860), (254, 6430), (508, 3215), (635, 2572), (643, 2540), (1270, 1286)]