28149760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2749}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 67567500

約数和(自身を除く): 39417740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 2749, 5120, 5498, 10240, 10996, 13745, 21992, 27490, 43984, 54980, 87968, 109960, 175936, 219920, 351872, 439840, 703744, 879680, 1407488, 1759360, 2814976, 3518720, 5629952, 7037440, 14074880, 28149760]

約数ペア:

[(1, 28149760), (2, 14074880), (4, 7037440), (5, 5629952), (8, 3518720), (10, 2814976), (16, 1759360), (20, 1407488), (32, 879680), (40, 703744), (64, 439840), (80, 351872), (128, 219920), (160, 175936), (256, 109960), (320, 87968), (512, 54980), (640, 43984), (1024, 27490), (1280, 21992), (2048, 13745), (2560, 10996), (2749, 10240), (5120, 5498)]