66470380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30491}}^1$

素因数の和:30609

約数の個数: 24

約数和(自身を含む): 140873040

約数和(自身を除く): 74402660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30491, 60982, 121964, 152455, 304910, 609820, 3323519, 6647038, 13294076, 16617595, 33235190, 66470380]

約数ペア:

[(1, 66470380), (2, 33235190), (4, 16617595), (5, 13294076), (10, 6647038), (20, 3323519), (109, 609820), (218, 304910), (436, 152455), (545, 121964), (1090, 60982), (2180, 30491)]