40112000

素因数分解:

$2^7\times 5^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 105019200

約数和(自身を除く): 64907200

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, 320, 368, 400, 436, 460, 500, 545, 575, 640, 736, 800, 872, 920, 1000, 1090, 1150, 1472, 1600, 1744, 1840, 2000, 2180, 2300, 2507, 2725, 2875, 2944, 3200, 3488, 3680, 4000, 4360, 4600, 5014, 5450, 5750, 6976, 7360, 8000, 8720, 9200, 10028, 10900, 11500, 12535, 13625, 13952, 14720, 16000, 17440, 18400, 20056, 21800, 23000, 25070, 27250, 34880, 36800, 40112, 43600, 46000, 50140, 54500, 62675, 69760, 73600, 80224, 87200, 92000, 100280, 109000, 125350, 160448, 174400, 184000, 200560, 218000, 250700, 313375, 320896, 348800, 368000, 401120, 436000, 501400, 626750, 802240, 872000, 1002800, 1253500, 1604480, 1744000, 2005600, 2507000, 4011200, 5014000, 8022400, 10028000, 20056000, 40112000]

約数ペア:

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