22801040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1379

約数の個数: 40

約数和(自身を含む): 53266680

約数和(自身を除く): 30465640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1109, 1285, 2056, 2218, 2570, 4112, 4436, 5140, 5545, 8872, 10280, 11090, 17744, 20560, 22180, 44360, 88720, 285013, 570026, 1140052, 1425065, 2280104, 2850130, 4560208, 5700260, 11400520, 22801040]

約数ペア:

[(1, 22801040), (2, 11400520), (4, 5700260), (5, 4560208), (8, 2850130), (10, 2280104), (16, 1425065), (20, 1140052), (40, 570026), (80, 285013), (257, 88720), (514, 44360), (1028, 22180), (1109, 20560), (1285, 17744), (2056, 11090), (2218, 10280), (2570, 8872), (4112, 5545), (4436, 5140)]