12851840

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 31505760

約数和(自身を除く): 18653920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 467, 640, 688, 860, 934, 1376, 1720, 1868, 2335, 2752, 3440, 3736, 4670, 5504, 6880, 7472, 9340, 13760, 14944, 18680, 20081, 27520, 29888, 37360, 40162, 59776, 74720, 80324, 100405, 149440, 160648, 200810, 298880, 321296, 401620, 642592, 803240, 1285184, 1606480, 2570368, 3212960, 6425920, 12851840]

約数ペア:

[(1, 12851840), (2, 6425920), (4, 3212960), (5, 2570368), (8, 1606480), (10, 1285184), (16, 803240), (20, 642592), (32, 401620), (40, 321296), (43, 298880), (64, 200810), (80, 160648), (86, 149440), (128, 100405), (160, 80324), (172, 74720), (215, 59776), (320, 40162), (344, 37360), (430, 29888), (467, 27520), (640, 20081), (688, 18680), (860, 14944), (934, 13760), (1376, 9340), (1720, 7472), (1868, 6880), (2335, 5504), (2752, 4670), (3440, 3736)]