25688380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67601}}^1$

素因数の和:67629

約数の個数: 24

約数和(自身を含む): 56785680

約数和(自身を除く): 31097300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67601, 135202, 270404, 338005, 676010, 1284419, 1352020, 2568838, 5137676, 6422095, 12844190, 25688380]

約数ペア:

[(1, 25688380), (2, 12844190), (4, 6422095), (5, 5137676), (10, 2568838), (19, 1352020), (20, 1284419), (38, 676010), (76, 338005), (95, 270404), (190, 135202), (380, 67601)]