80782460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2803}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 186544512

約数和(自身を除く): 105762052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2803, 2882, 5606, 5764, 7205, 11212, 14015, 14410, 28030, 28820, 30833, 56060, 61666, 123332, 154165, 308330, 367193, 616660, 734386, 1468772, 1835965, 3671930, 4039123, 7343860, 8078246, 16156492, 20195615, 40391230, 80782460]

約数ペア:

[(1, 80782460), (2, 40391230), (4, 20195615), (5, 16156492), (10, 8078246), (11, 7343860), (20, 4039123), (22, 3671930), (44, 1835965), (55, 1468772), (110, 734386), (131, 616660), (220, 367193), (262, 308330), (524, 154165), (655, 123332), (1310, 61666), (1441, 56060), (2620, 30833), (2803, 28820), (2882, 28030), (5606, 14410), (5764, 14015), (7205, 11212)]