25707520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5021}}^1$

素因数の和:5046

約数の個数: 44

約数和(自身を含む): 61680204

約数和(自身を除く): 35972684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5021, 5120, 10042, 20084, 25105, 40168, 50210, 80336, 100420, 160672, 200840, 321344, 401680, 642688, 803360, 1285376, 1606720, 2570752, 3213440, 5141504, 6426880, 12853760, 25707520]

約数ペア:

[(1, 25707520), (2, 12853760), (4, 6426880), (5, 5141504), (8, 3213440), (10, 2570752), (16, 1606720), (20, 1285376), (32, 803360), (40, 642688), (64, 401680), (80, 321344), (128, 200840), (160, 160672), (256, 100420), (320, 80336), (512, 50210), (640, 40168), (1024, 25105), (1280, 20084), (2560, 10042), (5021, 5120)]