2008687720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3862861}}^1$

素因数の和:3862885

約数の個数: 32

約数和(自身を含む): 4867206120

約数和(自身を除く): 2858518400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3862861, 7725722, 15451444, 19314305, 30902888, 38628610, 50217193, 77257220, 100434386, 154514440, 200868772, 251085965, 401737544, 502171930, 1004343860, 2008687720]

約数ペア:

[(1, 2008687720), (2, 1004343860), (4, 502171930), (5, 401737544), (8, 251085965), (10, 200868772), (13, 154514440), (20, 100434386), (26, 77257220), (40, 50217193), (52, 38628610), (65, 30902888), (104, 19314305), (130, 15451444), (260, 7725722), (520, 3862861)]