12320825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4073}}^1$

素因数の和:4105

約数の個数: 18

約数和(自身を含む): 16797102

約数和(自身を除く): 4476277

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4073, 20365, 44803, 101825, 224015, 492833, 1120075, 2464165, 12320825]

約数ペア:

[(1, 12320825), (5, 2464165), (11, 1120075), (25, 492833), (55, 224015), (121, 101825), (275, 44803), (605, 20365), (3025, 4073)]