51006520

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1279}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 114969600

約数和(自身を除く): 63963080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1279, 1994, 2558, 3988, 4985, 5116, 6395, 7976, 9970, 10232, 12790, 19940, 25580, 39880, 51160, 1275163, 2550326, 5100652, 6375815, 10201304, 12751630, 25503260, 51006520]

約数ペア:

[(1, 51006520), (2, 25503260), (4, 12751630), (5, 10201304), (8, 6375815), (10, 5100652), (20, 2550326), (40, 1275163), (997, 51160), (1279, 39880), (1994, 25580), (2558, 19940), (3988, 12790), (4985, 10232), (5116, 9970), (6395, 7976)]