670641680

素因数分解:

$2^4\times 5^1\times {\mathrm{8383021}}^1$

素因数の和:8383034

約数の個数: 20

約数和(自身を含む): 1559242092

約数和(自身を除く): 888600412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8383021, 16766042, 33532084, 41915105, 67064168, 83830210, 134128336, 167660420, 335320840, 670641680]

約数ペア:

[(1, 670641680), (2, 335320840), (4, 167660420), (5, 134128336), (8, 83830210), (10, 67064168), (16, 41915105), (20, 33532084), (40, 16766042), (80, 8383021)]