8618920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5011}}^1$

素因数の和:5065

約数の個数: 32

約数和(自身を含む): 19847520

約数和(自身を除く): 11228600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5011, 10022, 20044, 25055, 40088, 50110, 100220, 200440, 215473, 430946, 861892, 1077365, 1723784, 2154730, 4309460, 8618920]

約数ペア:

[(1, 8618920), (2, 4309460), (4, 2154730), (5, 1723784), (8, 1077365), (10, 861892), (20, 430946), (40, 215473), (43, 200440), (86, 100220), (172, 50110), (215, 40088), (344, 25055), (430, 20044), (860, 10022), (1720, 5011)]