13338640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23819}}^1$

素因数の和:23839

約数の個数: 40

約数和(自身を含む): 35444160

約数和(自身を除く): 22105520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23819, 47638, 95276, 119095, 166733, 190552, 238190, 333466, 381104, 476380, 666932, 833665, 952760, 1333864, 1667330, 1905520, 2667728, 3334660, 6669320, 13338640]

約数ペア:

[(1, 13338640), (2, 6669320), (4, 3334660), (5, 2667728), (7, 1905520), (8, 1667330), (10, 1333864), (14, 952760), (16, 833665), (20, 666932), (28, 476380), (35, 381104), (40, 333466), (56, 238190), (70, 190552), (80, 166733), (112, 119095), (140, 95276), (280, 47638), (560, 23819)]