1026560

素因数分解:

$2^9\times 5^1\times {\mathrm{401}}^1$

素因数の和:424

約数の個数: 40

約数和(自身を含む): 2467476

約数和(自身を除く): 1440916

約数列:

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

約数ペア:

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