11400520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 25774200

約数和(自身を除く): 14373680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1109, 1285, 2056, 2218, 2570, 4436, 5140, 5545, 8872, 10280, 11090, 22180, 44360, 285013, 570026, 1140052, 1425065, 2280104, 2850130, 5700260, 11400520]

約数ペア:

[(1, 11400520), (2, 5700260), (4, 2850130), (5, 2280104), (8, 1425065), (10, 1140052), (20, 570026), (40, 285013), (257, 44360), (514, 22180), (1028, 11090), (1109, 10280), (1285, 8872), (2056, 5545), (2218, 5140), (2570, 4436)]