40460800

素因数分解:

$2^9\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 120

約数和(自身を含む): 104652900

約数和(自身を除く): 64192100

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, 512, 545, 580, 640, 725, 800, 872, 928, 1090, 1160, 1280, 1450, 1600, 1744, 1856, 2180, 2320, 2560, 2725, 2900, 3161, 3200, 3488, 3712, 4360, 4640, 5450, 5800, 6322, 6400, 6976, 7424, 8720, 9280, 10900, 11600, 12644, 12800, 13952, 14848, 15805, 17440, 18560, 21800, 23200, 25288, 27904, 31610, 34880, 37120, 43600, 46400, 50576, 55808, 63220, 69760, 74240, 79025, 87200, 92800, 101152, 126440, 139520, 158050, 174400, 185600, 202304, 252880, 279040, 316100, 348800, 371200, 404608, 505760, 632200, 697600, 809216, 1011520, 1264400, 1395200, 1618432, 2023040, 2528800, 4046080, 5057600, 8092160, 10115200, 20230400, 40460800]

約数ペア:

[(1, 40460800), (2, 20230400), (4, 10115200), (5, 8092160), (8, 5057600), (10, 4046080), (16, 2528800), (20, 2023040), (25, 1618432), (29, 1395200), (32, 1264400), (40, 1011520), (50, 809216), (58, 697600), (64, 632200), (80, 505760), (100, 404608), (109, 371200), (116, 348800), (128, 316100), (145, 279040), (160, 252880), (200, 202304), (218, 185600), (232, 174400), (256, 158050), (290, 139520), (320, 126440), (400, 101152), (436, 92800), (464, 87200), (512, 79025), (545, 74240), (580, 69760), (640, 63220), (725, 55808), (800, 50576), (872, 46400), (928, 43600), (1090, 37120), (1160, 34880), (1280, 31610), (1450, 27904), (1600, 25288), (1744, 23200), (1856, 21800), (2180, 18560), (2320, 17440), (2560, 15805), (2725, 14848), (2900, 13952), (3161, 12800), (3200, 12644), (3488, 11600), (3712, 10900), (4360, 9280), (4640, 8720), (5450, 7424), (5800, 6976), (6322, 6400)]