1344654040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{819911}}^1$

素因数の和:819963

約数の個数: 32

約数和(自身を含む): 3099267360

約数和(自身を除く): 1754613320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 819911, 1639822, 3279644, 4099555, 6559288, 8199110, 16398220, 32796440, 33616351, 67232702, 134465404, 168081755, 268930808, 336163510, 672327020, 1344654040]

約数ペア:

[(1, 1344654040), (2, 672327020), (4, 336163510), (5, 268930808), (8, 168081755), (10, 134465404), (20, 67232702), (40, 33616351), (41, 32796440), (82, 16398220), (164, 8199110), (205, 6559288), (328, 4099555), (410, 3279644), (820, 1639822), (1640, 819911)]