40644128

素因数分解:

$2^5\times 7^4\times {\mathrm{23}}^2$

素因数の和:84

約数の個数: 90

約数和(自身を含む): 97584039

約数和(自身を除く): 56939911

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 343, 368, 392, 529, 644, 686, 736, 784, 1058, 1127, 1288, 1372, 1568, 2116, 2254, 2401, 2576, 2744, 3703, 4232, 4508, 4802, 5152, 5488, 7406, 7889, 8464, 9016, 9604, 10976, 14812, 15778, 16928, 18032, 19208, 25921, 29624, 31556, 36064, 38416, 51842, 55223, 59248, 63112, 76832, 103684, 110446, 118496, 126224, 181447, 207368, 220892, 252448, 362894, 414736, 441784, 725788, 829472, 883568, 1270129, 1451576, 1767136, 2540258, 2903152, 5080516, 5806304, 10161032, 20322064, 40644128]

約数ペア:

[(1, 40644128), (2, 20322064), (4, 10161032), (7, 5806304), (8, 5080516), (14, 2903152), (16, 2540258), (23, 1767136), (28, 1451576), (32, 1270129), (46, 883568), (49, 829472), (56, 725788), (92, 441784), (98, 414736), (112, 362894), (161, 252448), (184, 220892), (196, 207368), (224, 181447), (322, 126224), (343, 118496), (368, 110446), (392, 103684), (529, 76832), (644, 63112), (686, 59248), (736, 55223), (784, 51842), (1058, 38416), (1127, 36064), (1288, 31556), (1372, 29624), (1568, 25921), (2116, 19208), (2254, 18032), (2401, 16928), (2576, 15778), (2744, 14812), (3703, 10976), (4232, 9604), (4508, 9016), (4802, 8464), (5152, 7889), (5488, 7406)]