64601080

素因数分解:

$2^3\times 5^1\times {\mathrm{1615027}}^1$

素因数の和:1615038

約数の個数: 16

約数和(自身を含む): 145352520

約数和(自身を除く): 80751440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1615027, 3230054, 6460108, 8075135, 12920216, 16150270, 32300540, 64601080]

約数ペア:

[(1, 64601080), (2, 32300540), (4, 16150270), (5, 12920216), (8, 8075135), (10, 6460108), (20, 3230054), (40, 1615027)]