4195120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 9999360

約数和(自身を除く): 5804240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1279, 1640, 2558, 3280, 5116, 6395, 10232, 12790, 20464, 25580, 51160, 52439, 102320, 104878, 209756, 262195, 419512, 524390, 839024, 1048780, 2097560, 4195120]

約数ペア:

[(1, 4195120), (2, 2097560), (4, 1048780), (5, 839024), (8, 524390), (10, 419512), (16, 262195), (20, 209756), (40, 104878), (41, 102320), (80, 52439), (82, 51160), (164, 25580), (205, 20464), (328, 12790), (410, 10232), (656, 6395), (820, 5116), (1279, 3280), (1640, 2558)]