56644840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2003}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 147173760

約数和(自身を除く): 90528920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2003, 2020, 2828, 3535, 4006, 4040, 5656, 7070, 8012, 10015, 14021, 14140, 16024, 20030, 28042, 28280, 40060, 56084, 70105, 80120, 112168, 140210, 202303, 280420, 404606, 560840, 809212, 1011515, 1416121, 1618424, 2023030, 2832242, 4046060, 5664484, 7080605, 8092120, 11328968, 14161210, 28322420, 56644840]

約数ペア:

[(1, 56644840), (2, 28322420), (4, 14161210), (5, 11328968), (7, 8092120), (8, 7080605), (10, 5664484), (14, 4046060), (20, 2832242), (28, 2023030), (35, 1618424), (40, 1416121), (56, 1011515), (70, 809212), (101, 560840), (140, 404606), (202, 280420), (280, 202303), (404, 140210), (505, 112168), (707, 80120), (808, 70105), (1010, 56084), (1414, 40060), (2003, 28280), (2020, 28042), (2828, 20030), (3535, 16024), (4006, 14140), (4040, 14021), (5656, 10015), (7070, 8012)]