16217780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3541}}^1$

素因数の和:3779

約数の個数: 24

約数和(自身を含む): 34215720

約数和(自身を除く): 17997940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3541, 4580, 7082, 14164, 17705, 35410, 70820, 810889, 1621778, 3243556, 4054445, 8108890, 16217780]

約数ペア:

[(1, 16217780), (2, 8108890), (4, 4054445), (5, 3243556), (10, 1621778), (20, 810889), (229, 70820), (458, 35410), (916, 17705), (1145, 14164), (2290, 7082), (3541, 4580)]