2821553680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3206311}}^1$

素因数の和:3206335

約数の個数: 40

約数和(自身を含む): 7156488384

約数和(自身を除く): 4334934704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3206311, 6412622, 12825244, 16031555, 25650488, 32063110, 35269421, 51300976, 64126220, 70538842, 128252440, 141077684, 176347105, 256504880, 282155368, 352694210, 564310736, 705388420, 1410776840, 2821553680]

約数ペア:

[(1, 2821553680), (2, 1410776840), (4, 705388420), (5, 564310736), (8, 352694210), (10, 282155368), (11, 256504880), (16, 176347105), (20, 141077684), (22, 128252440), (40, 70538842), (44, 64126220), (55, 51300976), (80, 35269421), (88, 32063110), (110, 25650488), (176, 16031555), (220, 12825244), (440, 6412622), (880, 3206311)]