54778120

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1303}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 123462720

約数和(自身を除く): 68684600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1303, 2102, 2606, 4204, 5212, 5255, 6515, 8408, 10424, 10510, 13030, 21020, 26060, 42040, 52120, 1369453, 2738906, 5477812, 6847265, 10955624, 13694530, 27389060, 54778120]

約数ペア:

[(1, 54778120), (2, 27389060), (4, 13694530), (5, 10955624), (8, 6847265), (10, 5477812), (20, 2738906), (40, 1369453), (1051, 52120), (1303, 42040), (2102, 26060), (2606, 21020), (4204, 13030), (5212, 10510), (5255, 10424), (6515, 8408)]