2800330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1657}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 5461452

約数和(自身を除く): 2661122

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1657, 1690, 3314, 8285, 16570, 21541, 43082, 107705, 215410, 280033, 560066, 1400165, 2800330]

約数ペア:

[(1, 2800330), (2, 1400165), (5, 560066), (10, 280033), (13, 215410), (26, 107705), (65, 43082), (130, 21541), (169, 16570), (338, 8285), (845, 3314), (1657, 1690)]