30517840

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{881}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 71198568

約数和(自身を除く): 40680728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 881, 1732, 1762, 2165, 3464, 3524, 4330, 4405, 6928, 7048, 8660, 8810, 14096, 17320, 17620, 34640, 35240, 70480, 381473, 762946, 1525892, 1907365, 3051784, 3814730, 6103568, 7629460, 15258920, 30517840]

約数ペア:

[(1, 30517840), (2, 15258920), (4, 7629460), (5, 6103568), (8, 3814730), (10, 3051784), (16, 1907365), (20, 1525892), (40, 762946), (80, 381473), (433, 70480), (866, 35240), (881, 34640), (1732, 17620), (1762, 17320), (2165, 14096), (3464, 8810), (3524, 8660), (4330, 7048), (4405, 6928)]