25479860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 65705472

約数和(自身を除く): 40225612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 193, 205, 230, 287, 322, 386, 410, 460, 574, 644, 772, 805, 820, 943, 965, 1148, 1351, 1435, 1610, 1886, 1930, 2702, 2870, 3220, 3772, 3860, 4439, 4715, 5404, 5740, 6601, 6755, 7913, 8878, 9430, 13202, 13510, 15826, 17756, 18860, 22195, 26404, 27020, 31073, 31652, 33005, 39565, 44390, 55391, 62146, 66010, 79130, 88780, 110782, 124292, 132020, 155365, 158260, 181999, 221564, 276955, 310730, 363998, 553910, 621460, 727996, 909995, 1107820, 1273993, 1819990, 2547986, 3639980, 5095972, 6369965, 12739930, 25479860]

約数ペア:

[(1, 25479860), (2, 12739930), (4, 6369965), (5, 5095972), (7, 3639980), (10, 2547986), (14, 1819990), (20, 1273993), (23, 1107820), (28, 909995), (35, 727996), (41, 621460), (46, 553910), (70, 363998), (82, 310730), (92, 276955), (115, 221564), (140, 181999), (161, 158260), (164, 155365), (193, 132020), (205, 124292), (230, 110782), (287, 88780), (322, 79130), (386, 66010), (410, 62146), (460, 55391), (574, 44390), (644, 39565), (772, 33005), (805, 31652), (820, 31073), (943, 27020), (965, 26404), (1148, 22195), (1351, 18860), (1435, 17756), (1610, 15826), (1886, 13510), (1930, 13202), (2702, 9430), (2870, 8878), (3220, 7913), (3772, 6755), (3860, 6601), (4439, 5740), (4715, 5404)]