3197080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 7244640

約数和(自身を除く): 4047560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 311, 514, 622, 1028, 1244, 1285, 1555, 2056, 2488, 2570, 3110, 5140, 6220, 10280, 12440, 79927, 159854, 319708, 399635, 639416, 799270, 1598540, 3197080]

約数ペア:

[(1, 3197080), (2, 1598540), (4, 799270), (5, 639416), (8, 399635), (10, 319708), (20, 159854), (40, 79927), (257, 12440), (311, 10280), (514, 6220), (622, 5140), (1028, 3110), (1244, 2570), (1285, 2488), (1555, 2056)]