6648580

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{829}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 14013720

約数和(自身を除く): 7365140

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 829, 1604, 1658, 2005, 3316, 4010, 4145, 8020, 8290, 16580, 332429, 664858, 1329716, 1662145, 3324290, 6648580]

約数ペア:

[(1, 6648580), (2, 3324290), (4, 1662145), (5, 1329716), (10, 664858), (20, 332429), (401, 16580), (802, 8290), (829, 8020), (1604, 4145), (1658, 4010), (2005, 3316)]