80224000

素因数分解:

$2^8\times 5^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 210450240

約数和(自身を除く): 130226240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 109, 115, 125, 128, 160, 184, 200, 218, 230, 250, 256, 320, 368, 400, 436, 460, 500, 545, 575, 640, 736, 800, 872, 920, 1000, 1090, 1150, 1280, 1472, 1600, 1744, 1840, 2000, 2180, 2300, 2507, 2725, 2875, 2944, 3200, 3488, 3680, 4000, 4360, 4600, 5014, 5450, 5750, 5888, 6400, 6976, 7360, 8000, 8720, 9200, 10028, 10900, 11500, 12535, 13625, 13952, 14720, 16000, 17440, 18400, 20056, 21800, 23000, 25070, 27250, 27904, 29440, 32000, 34880, 36800, 40112, 43600, 46000, 50140, 54500, 62675, 69760, 73600, 80224, 87200, 92000, 100280, 109000, 125350, 139520, 147200, 160448, 174400, 184000, 200560, 218000, 250700, 313375, 320896, 348800, 368000, 401120, 436000, 501400, 626750, 641792, 697600, 736000, 802240, 872000, 1002800, 1253500, 1604480, 1744000, 2005600, 2507000, 3208960, 3488000, 4011200, 5014000, 8022400, 10028000, 16044800, 20056000, 40112000, 80224000]

約数ペア:

[(1, 80224000), (2, 40112000), (4, 20056000), (5, 16044800), (8, 10028000), (10, 8022400), (16, 5014000), (20, 4011200), (23, 3488000), (25, 3208960), (32, 2507000), (40, 2005600), (46, 1744000), (50, 1604480), (64, 1253500), (80, 1002800), (92, 872000), (100, 802240), (109, 736000), (115, 697600), (125, 641792), (128, 626750), (160, 501400), (184, 436000), (200, 401120), (218, 368000), (230, 348800), (250, 320896), (256, 313375), (320, 250700), (368, 218000), (400, 200560), (436, 184000), (460, 174400), (500, 160448), (545, 147200), (575, 139520), (640, 125350), (736, 109000), (800, 100280), (872, 92000), (920, 87200), (1000, 80224), (1090, 73600), (1150, 69760), (1280, 62675), (1472, 54500), (1600, 50140), (1744, 46000), (1840, 43600), (2000, 40112), (2180, 36800), (2300, 34880), (2507, 32000), (2725, 29440), (2875, 27904), (2944, 27250), (3200, 25070), (3488, 23000), (3680, 21800), (4000, 20056), (4360, 18400), (4600, 17440), (5014, 16000), (5450, 14720), (5750, 13952), (5888, 13625), (6400, 12535), (6976, 11500), (7360, 10900), (8000, 10028), (8720, 9200)]