20230400

素因数分解:

$2^8\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 52275300

約数和(自身を除く): 32044900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 109, 116, 128, 145, 160, 200, 218, 232, 256, 290, 320, 400, 436, 464, 545, 580, 640, 725, 800, 872, 928, 1090, 1160, 1280, 1450, 1600, 1744, 1856, 2180, 2320, 2725, 2900, 3161, 3200, 3488, 3712, 4360, 4640, 5450, 5800, 6322, 6400, 6976, 7424, 8720, 9280, 10900, 11600, 12644, 13952, 15805, 17440, 18560, 21800, 23200, 25288, 27904, 31610, 34880, 37120, 43600, 46400, 50576, 63220, 69760, 79025, 87200, 92800, 101152, 126440, 139520, 158050, 174400, 185600, 202304, 252880, 316100, 348800, 404608, 505760, 632200, 697600, 809216, 1011520, 1264400, 2023040, 2528800, 4046080, 5057600, 10115200, 20230400]

約数ペア:

[(1, 20230400), (2, 10115200), (4, 5057600), (5, 4046080), (8, 2528800), (10, 2023040), (16, 1264400), (20, 1011520), (25, 809216), (29, 697600), (32, 632200), (40, 505760), (50, 404608), (58, 348800), (64, 316100), (80, 252880), (100, 202304), (109, 185600), (116, 174400), (128, 158050), (145, 139520), (160, 126440), (200, 101152), (218, 92800), (232, 87200), (256, 79025), (290, 69760), (320, 63220), (400, 50576), (436, 46400), (464, 43600), (545, 37120), (580, 34880), (640, 31610), (725, 27904), (800, 25288), (872, 23200), (928, 21800), (1090, 18560), (1160, 17440), (1280, 15805), (1450, 13952), (1600, 12644), (1744, 11600), (1856, 10900), (2180, 9280), (2320, 8720), (2725, 7424), (2900, 6976), (3161, 6400), (3200, 6322), (3488, 5800), (3712, 5450), (4360, 4640)]