794800

素因数分解:

$2^4\times 5^2\times {\mathrm{1987}}^1$

素因数の和:2005

約数の個数: 30

約数和(自身を含む): 1910468

約数和(自身を除く): 1115668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1987, 3974, 7948, 9935, 15896, 19870, 31792, 39740, 49675, 79480, 99350, 158960, 198700, 397400, 794800]

約数ペア:

[(1, 794800), (2, 397400), (4, 198700), (5, 158960), (8, 99350), (10, 79480), (16, 49675), (20, 39740), (25, 31792), (40, 19870), (50, 15896), (80, 9935), (100, 7948), (200, 3974), (400, 1987)]