40289984

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 56

約数和(自身を含む): 92171520

約数和(自身を除く): 51881536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 448, 556, 647, 973, 1112, 1294, 1946, 2224, 2588, 3892, 4448, 4529, 5176, 7784, 8896, 9058, 10352, 15568, 18116, 20704, 31136, 36232, 41408, 62272, 72464, 89933, 144928, 179866, 289856, 359732, 629531, 719464, 1259062, 1438928, 2518124, 2877856, 5036248, 5755712, 10072496, 20144992, 40289984]

約数ペア:

[(1, 40289984), (2, 20144992), (4, 10072496), (7, 5755712), (8, 5036248), (14, 2877856), (16, 2518124), (28, 1438928), (32, 1259062), (56, 719464), (64, 629531), (112, 359732), (139, 289856), (224, 179866), (278, 144928), (448, 89933), (556, 72464), (647, 62272), (973, 41408), (1112, 36232), (1294, 31136), (1946, 20704), (2224, 18116), (2588, 15568), (3892, 10352), (4448, 9058), (4529, 8896), (5176, 7784)]