1992342620

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{396881}}^1$

素因数の和:397141

約数の個数: 24

約数和(自身を含む): 4200599088

約数和(自身を除く): 2208256468

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 396881, 793762, 1587524, 1984405, 3968810, 7937620, 99617131, 199234262, 398468524, 498085655, 996171310, 1992342620]

約数ペア:

[(1, 1992342620), (2, 996171310), (4, 498085655), (5, 398468524), (10, 199234262), (20, 99617131), (251, 7937620), (502, 3968810), (1004, 1984405), (1255, 1587524), (2510, 793762), (5020, 396881)]