2139680

素因数分解:

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

素因数の和:369

約数の個数: 48

約数和(自身を含む): 5189184

約数和(自身を除く): 3049504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 311, 344, 430, 622, 688, 860, 1244, 1376, 1555, 1720, 2488, 3110, 3440, 4976, 6220, 6880, 9952, 12440, 13373, 24880, 26746, 49760, 53492, 66865, 106984, 133730, 213968, 267460, 427936, 534920, 1069840, 2139680]

約数ペア:

[(1, 2139680), (2, 1069840), (4, 534920), (5, 427936), (8, 267460), (10, 213968), (16, 133730), (20, 106984), (32, 66865), (40, 53492), (43, 49760), (80, 26746), (86, 24880), (160, 13373), (172, 12440), (215, 9952), (311, 6880), (344, 6220), (430, 4976), (622, 3440), (688, 3110), (860, 2488), (1244, 1720), (1376, 1555)]