2053120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{401}}^1$

素因数の和:426

約数の個数: 44

約数和(自身を含む): 4937364

約数和(自身を除く): 2884244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 401, 512, 640, 802, 1024, 1280, 1604, 2005, 2560, 3208, 4010, 5120, 6416, 8020, 12832, 16040, 25664, 32080, 51328, 64160, 102656, 128320, 205312, 256640, 410624, 513280, 1026560, 2053120]

約数ペア:

[(1, 2053120), (2, 1026560), (4, 513280), (5, 410624), (8, 256640), (10, 205312), (16, 128320), (20, 102656), (32, 64160), (40, 51328), (64, 32080), (80, 25664), (128, 16040), (160, 12832), (256, 8020), (320, 6416), (401, 5120), (512, 4010), (640, 3208), (802, 2560), (1024, 2005), (1280, 1604)]