25207325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 37057524

約数和(自身を除く): 11850199

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 641, 715, 1573, 3025, 3205, 3575, 7051, 7865, 8333, 16025, 35255, 39325, 41665, 77561, 91663, 176275, 208325, 387805, 458315, 1008293, 1939025, 2291575, 5041465, 25207325]

約数ペア:

[(1, 25207325), (5, 5041465), (11, 2291575), (13, 1939025), (25, 1008293), (55, 458315), (65, 387805), (121, 208325), (143, 176275), (275, 91663), (325, 77561), (605, 41665), (641, 39325), (715, 35255), (1573, 16025), (3025, 8333), (3205, 7865), (3575, 7051)]