64629520

素因数分解:

$2^4\times 5^1\times {\mathrm{807869}}^1$

素因数の和:807882

約数の個数: 20

約数和(自身を含む): 150263820

約数和(自身を除く): 85634300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 807869, 1615738, 3231476, 4039345, 6462952, 8078690, 12925904, 16157380, 32314760, 64629520]

約数ペア:

[(1, 64629520), (2, 32314760), (4, 16157380), (5, 12925904), (8, 8078690), (10, 6462952), (16, 4039345), (20, 3231476), (40, 1615738), (80, 807869)]