210730780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{810503}}^1$

素因数の和:810525

約数の個数: 24

約数和(自身を含む): 476576352

約数和(自身を除く): 265845572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 810503, 1621006, 3242012, 4052515, 8105030, 10536539, 16210060, 21073078, 42146156, 52682695, 105365390, 210730780]

約数ペア:

[(1, 210730780), (2, 105365390), (4, 52682695), (5, 42146156), (10, 21073078), (13, 16210060), (20, 10536539), (26, 8105030), (52, 4052515), (65, 3242012), (130, 1621006), (260, 810503)]