25262780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3499}}^1$

素因数の和:3546

約数の個数: 36

約数和(自身を含む): 56007000

約数和(自身を除く): 30744220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3499, 3610, 6998, 7220, 13996, 17495, 34990, 66481, 69980, 132962, 265924, 332405, 664810, 1263139, 1329620, 2526278, 5052556, 6315695, 12631390, 25262780]

約数ペア:

[(1, 25262780), (2, 12631390), (4, 6315695), (5, 5052556), (10, 2526278), (19, 1329620), (20, 1263139), (38, 664810), (76, 332405), (95, 265924), (190, 132962), (361, 69980), (380, 66481), (722, 34990), (1444, 17495), (1805, 13996), (3499, 7220), (3610, 6998)]