12805940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 33191424

約数和(自身を除く): 20385484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 97, 115, 140, 161, 164, 194, 205, 230, 287, 322, 388, 410, 460, 485, 574, 644, 679, 805, 820, 943, 970, 1148, 1358, 1435, 1610, 1886, 1940, 2231, 2716, 2870, 3220, 3395, 3772, 3977, 4462, 4715, 5740, 6601, 6790, 7954, 8924, 9430, 11155, 13202, 13580, 15617, 15908, 18860, 19885, 22310, 26404, 27839, 31234, 33005, 39770, 44620, 55678, 62468, 66010, 78085, 79540, 91471, 111356, 132020, 139195, 156170, 182942, 278390, 312340, 365884, 457355, 556780, 640297, 914710, 1280594, 1829420, 2561188, 3201485, 6402970, 12805940]

約数ペア:

[(1, 12805940), (2, 6402970), (4, 3201485), (5, 2561188), (7, 1829420), (10, 1280594), (14, 914710), (20, 640297), (23, 556780), (28, 457355), (35, 365884), (41, 312340), (46, 278390), (70, 182942), (82, 156170), (92, 139195), (97, 132020), (115, 111356), (140, 91471), (161, 79540), (164, 78085), (194, 66010), (205, 62468), (230, 55678), (287, 44620), (322, 39770), (388, 33005), (410, 31234), (460, 27839), (485, 26404), (574, 22310), (644, 19885), (679, 18860), (805, 15908), (820, 15617), (943, 13580), (970, 13202), (1148, 11155), (1358, 9430), (1435, 8924), (1610, 7954), (1886, 6790), (1940, 6601), (2231, 5740), (2716, 4715), (2870, 4462), (3220, 3977), (3395, 3772)]