25531520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 46439680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 139, 140, 160, 164, 205, 224, 278, 280, 287, 320, 328, 410, 448, 556, 560, 574, 640, 656, 695, 820, 896, 973, 1112, 1120, 1148, 1312, 1390, 1435, 1640, 1946, 2224, 2240, 2296, 2624, 2780, 2870, 3280, 3892, 4448, 4480, 4592, 4865, 5248, 5560, 5699, 5740, 6560, 7784, 8896, 9184, 9730, 11120, 11398, 11480, 13120, 15568, 17792, 18368, 19460, 22240, 22796, 22960, 26240, 28495, 31136, 36736, 38920, 39893, 44480, 45592, 45920, 56990, 62272, 77840, 79786, 88960, 91184, 91840, 113980, 124544, 155680, 159572, 182368, 183680, 199465, 227960, 311360, 319144, 364736, 398930, 455920, 622720, 638288, 729472, 797860, 911840, 1276576, 1595720, 1823680, 2553152, 3191440, 3647360, 5106304, 6382880, 12765760, 25531520]

約数ペア:

[(1, 25531520), (2, 12765760), (4, 6382880), (5, 5106304), (7, 3647360), (8, 3191440), (10, 2553152), (14, 1823680), (16, 1595720), (20, 1276576), (28, 911840), (32, 797860), (35, 729472), (40, 638288), (41, 622720), (56, 455920), (64, 398930), (70, 364736), (80, 319144), (82, 311360), (112, 227960), (128, 199465), (139, 183680), (140, 182368), (160, 159572), (164, 155680), (205, 124544), (224, 113980), (278, 91840), (280, 91184), (287, 88960), (320, 79786), (328, 77840), (410, 62272), (448, 56990), (556, 45920), (560, 45592), (574, 44480), (640, 39893), (656, 38920), (695, 36736), (820, 31136), (896, 28495), (973, 26240), (1112, 22960), (1120, 22796), (1148, 22240), (1312, 19460), (1390, 18368), (1435, 17792), (1640, 15568), (1946, 13120), (2224, 11480), (2240, 11398), (2296, 11120), (2624, 9730), (2780, 9184), (2870, 8896), (3280, 7784), (3892, 6560), (4448, 5740), (4480, 5699), (4592, 5560), (4865, 5248)]