28701560

素因数分解:

$2^3\times 5^1\times {\mathrm{717539}}^1$

素因数の和:717550

約数の個数: 16

約数和(自身を含む): 64578600

約数和(自身を除く): 35877040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717539, 1435078, 2870156, 3587695, 5740312, 7175390, 14350780, 28701560]

約数ペア:

[(1, 28701560), (2, 14350780), (4, 7175390), (5, 5740312), (8, 3587695), (10, 2870156), (20, 1435078), (40, 717539)]