68449120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9949}}^1$

素因数の和:10007

約数の個数: 48

約数和(自身を含む): 165488400

約数和(自身を除く): 97039280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 9949, 19898, 39796, 49745, 79592, 99490, 159184, 198980, 318368, 397960, 427807, 795920, 855614, 1591840, 1711228, 2139035, 3422456, 4278070, 6844912, 8556140, 13689824, 17112280, 34224560, 68449120]

約数ペア:

[(1, 68449120), (2, 34224560), (4, 17112280), (5, 13689824), (8, 8556140), (10, 6844912), (16, 4278070), (20, 3422456), (32, 2139035), (40, 1711228), (43, 1591840), (80, 855614), (86, 795920), (160, 427807), (172, 397960), (215, 318368), (344, 198980), (430, 159184), (688, 99490), (860, 79592), (1376, 49745), (1720, 39796), (3440, 19898), (6880, 9949)]