2820002680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6409097}}^1$

素因数の和:6409119

約数の個数: 32

約数和(自身を含む): 6921825840

約数和(自身を除く): 4101823160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6409097, 12818194, 25636388, 32045485, 51272776, 64090970, 70500067, 128181940, 141000134, 256363880, 282000268, 352500335, 564000536, 705000670, 1410001340, 2820002680]

約数ペア:

[(1, 2820002680), (2, 1410001340), (4, 705000670), (5, 564000536), (8, 352500335), (10, 282000268), (11, 256363880), (20, 141000134), (22, 128181940), (40, 70500067), (44, 64090970), (55, 51272776), (88, 32045485), (110, 25636388), (220, 12818194), (440, 6409097)]