2543360

素因数分解:

$2^8\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2008

約数の個数: 36

約数和(自身を含む): 6095208

約数和(自身を除く): 3551848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1987, 3974, 7948, 9935, 15896, 19870, 31792, 39740, 63584, 79480, 127168, 158960, 254336, 317920, 508672, 635840, 1271680, 2543360]

約数ペア:

[(1, 2543360), (2, 1271680), (4, 635840), (5, 508672), (8, 317920), (10, 254336), (16, 158960), (20, 127168), (32, 79480), (40, 63584), (64, 39740), (80, 31792), (128, 19870), (160, 15896), (256, 9935), (320, 7948), (640, 3974), (1280, 1987)]