28134920

素因数分解:

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

素因数の和:5846

約数の個数: 48

約数和(自身を含む): 69593580

約数和(自身を除く): 41458660

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5813, 11626, 23252, 29065, 46504, 58130, 63943, 116260, 127886, 232520, 255772, 319715, 511544, 639430, 703373, 1278860, 1406746, 2557720, 2813492, 3516865, 5626984, 7033730, 14067460, 28134920]

約数ペア:

[(1, 28134920), (2, 14067460), (4, 7033730), (5, 5626984), (8, 3516865), (10, 2813492), (11, 2557720), (20, 1406746), (22, 1278860), (40, 703373), (44, 639430), (55, 511544), (88, 319715), (110, 255772), (121, 232520), (220, 127886), (242, 116260), (440, 63943), (484, 58130), (605, 46504), (968, 29065), (1210, 23252), (2420, 11626), (4840, 5813)]