210512920

素因数分解:

$2^3\times 5^1\times {\mathrm{5262823}}^1$

素因数の和:5262834

約数の個数: 16

約数和(自身を含む): 473654160

約数和(自身を除く): 263141240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5262823, 10525646, 21051292, 26314115, 42102584, 52628230, 105256460, 210512920]

約数ペア:

[(1, 210512920), (2, 105256460), (4, 52628230), (5, 42102584), (8, 26314115), (10, 21051292), (20, 10525646), (40, 5262823)]