25216895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 10207105

約数列:

[1, 5, 11, 19, 55, 59, 95, 209, 295, 409, 649, 1045, 1121, 2045, 3245, 4499, 5605, 7771, 12331, 22495, 24131, 38855, 61655, 85481, 120655, 265441, 427405, 458489, 1327205, 2292445, 5043379, 25216895]

約数ペア:

[(1, 25216895), (5, 5043379), (11, 2292445), (19, 1327205), (55, 458489), (59, 427405), (95, 265441), (209, 120655), (295, 85481), (409, 61655), (649, 38855), (1045, 24131), (1121, 22495), (2045, 12331), (3245, 7771), (4499, 5605)]