87726880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 217945728

約数和(自身を除く): 130218848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 80, 82, 86, 160, 164, 172, 205, 215, 311, 328, 344, 410, 430, 622, 656, 688, 820, 860, 1244, 1312, 1376, 1555, 1640, 1720, 1763, 2488, 3110, 3280, 3440, 3526, 4976, 6220, 6560, 6880, 7052, 8815, 9952, 12440, 12751, 13373, 14104, 17630, 24880, 25502, 26746, 28208, 35260, 49760, 51004, 53492, 56416, 63755, 66865, 70520, 102008, 106984, 127510, 133730, 141040, 204016, 213968, 255020, 267460, 282080, 408032, 427936, 510040, 534920, 548293, 1020080, 1069840, 1096586, 2040160, 2139680, 2193172, 2741465, 4386344, 5482930, 8772688, 10965860, 17545376, 21931720, 43863440, 87726880]

約数ペア:

[(1, 87726880), (2, 43863440), (4, 21931720), (5, 17545376), (8, 10965860), (10, 8772688), (16, 5482930), (20, 4386344), (32, 2741465), (40, 2193172), (41, 2139680), (43, 2040160), (80, 1096586), (82, 1069840), (86, 1020080), (160, 548293), (164, 534920), (172, 510040), (205, 427936), (215, 408032), (311, 282080), (328, 267460), (344, 255020), (410, 213968), (430, 204016), (622, 141040), (656, 133730), (688, 127510), (820, 106984), (860, 102008), (1244, 70520), (1312, 66865), (1376, 63755), (1555, 56416), (1640, 53492), (1720, 51004), (1763, 49760), (2488, 35260), (3110, 28208), (3280, 26746), (3440, 25502), (3526, 24880), (4976, 17630), (6220, 14104), (6560, 13373), (6880, 12751), (7052, 12440), (8815, 9952)]