16217840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5479}}^1$

素因数の和:5529

約数の個数: 40

約数和(自身を含む): 38732640

約数和(自身を除く): 22514800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5479, 10958, 21916, 27395, 43832, 54790, 87664, 109580, 202723, 219160, 405446, 438320, 810892, 1013615, 1621784, 2027230, 3243568, 4054460, 8108920, 16217840]

約数ペア:

[(1, 16217840), (2, 8108920), (4, 4054460), (5, 3243568), (8, 2027230), (10, 1621784), (16, 1013615), (20, 810892), (37, 438320), (40, 405446), (74, 219160), (80, 202723), (148, 109580), (185, 87664), (296, 54790), (370, 43832), (592, 27395), (740, 21916), (1480, 10958), (2960, 5479)]