204026080

素因数分解:

$2^5\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1279}}^1$

素因数の和:2291

約数の個数: 48

約数和(自身を含む): 482872320

約数和(自身を除く): 278846240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997, 1279, 1994, 2558, 3988, 4985, 5116, 6395, 7976, 9970, 10232, 12790, 15952, 19940, 20464, 25580, 31904, 39880, 40928, 51160, 79760, 102320, 159520, 204640, 1275163, 2550326, 5100652, 6375815, 10201304, 12751630, 20402608, 25503260, 40805216, 51006520, 102013040, 204026080]

約数ペア:

[(1, 204026080), (2, 102013040), (4, 51006520), (5, 40805216), (8, 25503260), (10, 20402608), (16, 12751630), (20, 10201304), (32, 6375815), (40, 5100652), (80, 2550326), (160, 1275163), (997, 204640), (1279, 159520), (1994, 102320), (2558, 79760), (3988, 51160), (4985, 40928), (5116, 39880), (6395, 31904), (7976, 25580), (9970, 20464), (10232, 19940), (12790, 15952)]