4423840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 10711008

約数和(自身を除く): 6287168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 643, 688, 860, 1286, 1376, 1720, 2572, 3215, 3440, 5144, 6430, 6880, 10288, 12860, 20576, 25720, 27649, 51440, 55298, 102880, 110596, 138245, 221192, 276490, 442384, 552980, 884768, 1105960, 2211920, 4423840]

約数ペア:

[(1, 4423840), (2, 2211920), (4, 1105960), (5, 884768), (8, 552980), (10, 442384), (16, 276490), (20, 221192), (32, 138245), (40, 110596), (43, 102880), (80, 55298), (86, 51440), (160, 27649), (172, 25720), (215, 20576), (344, 12860), (430, 10288), (643, 6880), (688, 6430), (860, 5144), (1286, 3440), (1376, 3215), (1720, 2572)]