25142225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 33643680

約数和(自身を除く): 8501455

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1291, 3895, 6455, 19475, 24529, 32275, 52931, 122645, 264655, 613225, 1005689, 1323275, 5028445, 25142225]

約数ペア:

[(1, 25142225), (5, 5028445), (19, 1323275), (25, 1005689), (41, 613225), (95, 264655), (205, 122645), (475, 52931), (779, 32275), (1025, 24529), (1291, 19475), (3895, 6455)]