25642160

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1277}}^1$

素因数の和:1541

約数の個数: 40

約数和(自身を含む): 59902416

約数和(自身を除く): 34260256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 1277, 2008, 2510, 2554, 4016, 5020, 5108, 6385, 10040, 10216, 12770, 20080, 20432, 25540, 51080, 102160, 320527, 641054, 1282108, 1602635, 2564216, 3205270, 5128432, 6410540, 12821080, 25642160]

約数ペア:

[(1, 25642160), (2, 12821080), (4, 6410540), (5, 5128432), (8, 3205270), (10, 2564216), (16, 1602635), (20, 1282108), (40, 641054), (80, 320527), (251, 102160), (502, 51080), (1004, 25540), (1255, 20432), (1277, 20080), (2008, 12770), (2510, 10216), (2554, 10040), (4016, 6385), (5020, 5108)]