20492000

素因数分解:

$2^5\times 5^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31399840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 109, 125, 160, 188, 200, 218, 235, 250, 376, 400, 436, 470, 500, 545, 752, 800, 872, 940, 1000, 1090, 1175, 1504, 1744, 1880, 2000, 2180, 2350, 2725, 3488, 3760, 4000, 4360, 4700, 5123, 5450, 5875, 7520, 8720, 9400, 10246, 10900, 11750, 13625, 17440, 18800, 20492, 21800, 23500, 25615, 27250, 37600, 40984, 43600, 47000, 51230, 54500, 81968, 87200, 94000, 102460, 109000, 128075, 163936, 188000, 204920, 218000, 256150, 409840, 436000, 512300, 640375, 819680, 1024600, 1280750, 2049200, 2561500, 4098400, 5123000, 10246000, 20492000]

約数ペア:

[(1, 20492000), (2, 10246000), (4, 5123000), (5, 4098400), (8, 2561500), (10, 2049200), (16, 1280750), (20, 1024600), (25, 819680), (32, 640375), (40, 512300), (47, 436000), (50, 409840), (80, 256150), (94, 218000), (100, 204920), (109, 188000), (125, 163936), (160, 128075), (188, 109000), (200, 102460), (218, 94000), (235, 87200), (250, 81968), (376, 54500), (400, 51230), (436, 47000), (470, 43600), (500, 40984), (545, 37600), (752, 27250), (800, 25615), (872, 23500), (940, 21800), (1000, 20492), (1090, 18800), (1175, 17440), (1504, 13625), (1744, 11750), (1880, 10900), (2000, 10246), (2180, 9400), (2350, 8720), (2725, 7520), (3488, 5875), (3760, 5450), (4000, 5123), (4360, 4700)]