1901680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2161}}^1$

素因数の和:2185

約数の個数: 40

約数和(自身を含む): 4825584

約数和(自身を除く): 2923904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2161, 4322, 8644, 10805, 17288, 21610, 23771, 34576, 43220, 47542, 86440, 95084, 118855, 172880, 190168, 237710, 380336, 475420, 950840, 1901680]

約数ペア:

[(1, 1901680), (2, 950840), (4, 475420), (5, 380336), (8, 237710), (10, 190168), (11, 172880), (16, 118855), (20, 95084), (22, 86440), (40, 47542), (44, 43220), (55, 34576), (80, 23771), (88, 21610), (110, 17288), (176, 10805), (220, 8644), (440, 4322), (880, 2161)]