40254368

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 108101952

約数和(自身を除く): 67847584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 32, 34, 44, 56, 62, 68, 77, 88, 112, 119, 124, 136, 154, 176, 187, 217, 224, 238, 248, 272, 308, 341, 352, 374, 434, 476, 496, 527, 544, 616, 682, 748, 868, 952, 961, 992, 1054, 1232, 1309, 1364, 1496, 1736, 1904, 1922, 2108, 2387, 2464, 2618, 2728, 2992, 3472, 3689, 3808, 3844, 4216, 4774, 5236, 5456, 5797, 5984, 6727, 6944, 7378, 7688, 8432, 9548, 10472, 10571, 10912, 11594, 13454, 14756, 15376, 16337, 16864, 19096, 20944, 21142, 23188, 26908, 29512, 30752, 32674, 38192, 40579, 41888, 42284, 46376, 53816, 59024, 65348, 73997, 76384, 81158, 84568, 92752, 107632, 114359, 118048, 130696, 147994, 162316, 169136, 179707, 185504, 215264, 228718, 261392, 295988, 324632, 338272, 359414, 457436, 522784, 591976, 649264, 718828, 914872, 1183952, 1257949, 1298528, 1437656, 1829744, 2367904, 2515898, 2875312, 3659488, 5031796, 5750624, 10063592, 20127184, 40254368]

約数ペア:

[(1, 40254368), (2, 20127184), (4, 10063592), (7, 5750624), (8, 5031796), (11, 3659488), (14, 2875312), (16, 2515898), (17, 2367904), (22, 1829744), (28, 1437656), (31, 1298528), (32, 1257949), (34, 1183952), (44, 914872), (56, 718828), (62, 649264), (68, 591976), (77, 522784), (88, 457436), (112, 359414), (119, 338272), (124, 324632), (136, 295988), (154, 261392), (176, 228718), (187, 215264), (217, 185504), (224, 179707), (238, 169136), (248, 162316), (272, 147994), (308, 130696), (341, 118048), (352, 114359), (374, 107632), (434, 92752), (476, 84568), (496, 81158), (527, 76384), (544, 73997), (616, 65348), (682, 59024), (748, 53816), (868, 46376), (952, 42284), (961, 41888), (992, 40579), (1054, 38192), (1232, 32674), (1309, 30752), (1364, 29512), (1496, 26908), (1736, 23188), (1904, 21142), (1922, 20944), (2108, 19096), (2387, 16864), (2464, 16337), (2618, 15376), (2728, 14756), (2992, 13454), (3472, 11594), (3689, 10912), (3808, 10571), (3844, 10472), (4216, 9548), (4774, 8432), (5236, 7688), (5456, 7378), (5797, 6944), (5984, 6727)]