1338713.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{977}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 65486880

約数和(自身を除く): 36450440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 977, 1486, 1954, 2972, 3715, 3908, 4885, 5944, 7430, 7816, 9770, 14860, 19540, 29720, 39080, 725911, 1451822, 2903644, 3629555, 5807288, 7259110, 14518220, 29036440]

約数ペア:

[(1, 29036440), (2, 14518220), (4, 7259110), (5, 5807288), (8, 3629555), (10, 2903644), (20, 1451822), (40, 725911), (743, 39080), (977, 29720), (1486, 19540), (1954, 14860), (2972, 9770), (3715, 7816), (3908, 7430), (4885, 5944)]