2557720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5813}}^1$

素因数の和:5835

約数の個数: 32

約数和(自身を含む): 6279120

約数和(自身を除く): 3721400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5813, 11626, 23252, 29065, 46504, 58130, 63943, 116260, 127886, 232520, 255772, 319715, 511544, 639430, 1278860, 2557720]

約数ペア:

[(1, 2557720), (2, 1278860), (4, 639430), (5, 511544), (8, 319715), (10, 255772), (11, 232520), (20, 127886), (22, 116260), (40, 63943), (44, 58130), (55, 46504), (88, 29065), (110, 23252), (220, 11626), (440, 5813)]