81282512

素因数分解:

$2^4\times {\mathrm{1993}}^1\times {\mathrm{2549}}^1$

素因数の和:4550

約数の個数: 20

約数和(自身を含む): 157625700

約数和(自身を除く): 76343188

約数列:

[1, 2, 4, 8, 16, 1993, 2549, 3986, 5098, 7972, 10196, 15944, 20392, 31888, 40784, 5080157, 10160314, 20320628, 40641256, 81282512]

約数ペア:

[(1, 81282512), (2, 40641256), (4, 20320628), (8, 10160314), (16, 5080157), (1993, 40784), (2549, 31888), (3986, 20392), (5098, 15944), (7972, 10196)]