54111440

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2161}}^1$

素因数の和:2487

約数の個数: 40

約数和(自身を含む): 126269448

約数和(自身を除く): 72158008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2161, 2504, 3130, 4322, 5008, 6260, 8644, 10805, 12520, 17288, 21610, 25040, 34576, 43220, 86440, 172880, 676393, 1352786, 2705572, 3381965, 5411144, 6763930, 10822288, 13527860, 27055720, 54111440]

約数ペア:

[(1, 54111440), (2, 27055720), (4, 13527860), (5, 10822288), (8, 6763930), (10, 5411144), (16, 3381965), (20, 2705572), (40, 1352786), (80, 676393), (313, 172880), (626, 86440), (1252, 43220), (1565, 34576), (2161, 25040), (2504, 21610), (3130, 17288), (4322, 12520), (5008, 10805), (6260, 8644)]