25404140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66853}}^1$

素因数の和:66881

約数の個数: 24

約数和(自身を含む): 56157360

約数和(自身を除く): 30753220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66853, 133706, 267412, 334265, 668530, 1270207, 1337060, 2540414, 5080828, 6351035, 12702070, 25404140]

約数ペア:

[(1, 25404140), (2, 12702070), (4, 6351035), (5, 5080828), (10, 2540414), (19, 1337060), (20, 1270207), (38, 668530), (76, 334265), (95, 267412), (190, 133706), (380, 66853)]