17117440

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 42090048

約数和(自身を除く): 24972608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 311, 320, 344, 430, 622, 640, 688, 860, 1244, 1280, 1376, 1555, 1720, 2488, 2752, 3110, 3440, 4976, 5504, 6220, 6880, 9952, 11008, 12440, 13373, 13760, 19904, 24880, 26746, 27520, 39808, 49760, 53492, 55040, 66865, 79616, 99520, 106984, 133730, 199040, 213968, 267460, 398080, 427936, 534920, 855872, 1069840, 1711744, 2139680, 3423488, 4279360, 8558720, 17117440]

約数ペア:

[(1, 17117440), (2, 8558720), (4, 4279360), (5, 3423488), (8, 2139680), (10, 1711744), (16, 1069840), (20, 855872), (32, 534920), (40, 427936), (43, 398080), (64, 267460), (80, 213968), (86, 199040), (128, 133730), (160, 106984), (172, 99520), (215, 79616), (256, 66865), (311, 55040), (320, 53492), (344, 49760), (430, 39808), (622, 27520), (640, 26746), (688, 24880), (860, 19904), (1244, 13760), (1280, 13373), (1376, 12440), (1555, 11008), (1720, 9952), (2488, 6880), (2752, 6220), (3110, 5504), (3440, 4976)]