3205940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 6781992

約数和(自身を除く): 3576052

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1021, 1570, 2042, 3140, 4084, 5105, 10210, 20420, 160297, 320594, 641188, 801485, 1602970, 3205940]

約数ペア:

[(1, 3205940), (2, 1602970), (4, 801485), (5, 641188), (10, 320594), (20, 160297), (157, 20420), (314, 10210), (628, 5105), (785, 4084), (1021, 3140), (1570, 2042)]