1048780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 2257920

約数和(自身を除く): 1209140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1279, 2558, 5116, 6395, 12790, 25580, 52439, 104878, 209756, 262195, 524390, 1048780]

約数ペア:

[(1, 1048780), (2, 524390), (4, 262195), (5, 209756), (10, 104878), (20, 52439), (41, 25580), (82, 12790), (164, 6395), (205, 5116), (410, 2558), (820, 1279)]