17964025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 23882400

約数和(自身を除く): 5918375

約数列:

[1, 5, 19, 25, 59, 95, 295, 475, 641, 1121, 1475, 3205, 5605, 12179, 16025, 28025, 37819, 60895, 189095, 304475, 718561, 945475, 3592805, 17964025]

約数ペア:

[(1, 17964025), (5, 3592805), (19, 945475), (25, 718561), (59, 304475), (95, 189095), (295, 60895), (475, 37819), (641, 28025), (1121, 16025), (1475, 12179), (3205, 5605)]