67990400

素因数分解:

$2^7\times 5^2\times {\mathrm{21247}}^1$

素因数の和:21271

約数の個数: 48

約数和(自身を含む): 167965440

約数和(自身を除く): 99975040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 21247, 42494, 84988, 106235, 169976, 212470, 339952, 424940, 531175, 679904, 849880, 1062350, 1359808, 1699760, 2124700, 2719616, 3399520, 4249400, 6799040, 8498800, 13598080, 16997600, 33995200, 67990400]

約数ペア:

[(1, 67990400), (2, 33995200), (4, 16997600), (5, 13598080), (8, 8498800), (10, 6799040), (16, 4249400), (20, 3399520), (25, 2719616), (32, 2124700), (40, 1699760), (50, 1359808), (64, 1062350), (80, 849880), (100, 679904), (128, 531175), (160, 424940), (200, 339952), (320, 212470), (400, 169976), (640, 106235), (800, 84988), (1600, 42494), (3200, 21247)]