2050240

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 56

約数和(自身を含む): 5029200

約数和(自身を除く): 2978960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 149, 160, 172, 215, 298, 320, 344, 430, 596, 688, 745, 860, 1192, 1376, 1490, 1720, 2384, 2752, 2980, 3440, 4768, 5960, 6407, 6880, 9536, 11920, 12814, 13760, 23840, 25628, 32035, 47680, 51256, 64070, 102512, 128140, 205024, 256280, 410048, 512560, 1025120, 2050240]

約数ペア:

[(1, 2050240), (2, 1025120), (4, 512560), (5, 410048), (8, 256280), (10, 205024), (16, 128140), (20, 102512), (32, 64070), (40, 51256), (43, 47680), (64, 32035), (80, 25628), (86, 23840), (149, 13760), (160, 12814), (172, 11920), (215, 9536), (298, 6880), (320, 6407), (344, 5960), (430, 4768), (596, 3440), (688, 2980), (745, 2752), (860, 2384), (1192, 1720), (1376, 1490)]