420985825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{9319}}^1$

素因数の和:9481

約数の個数: 24

約数和(自身を含む): 566283200

約数和(自身を除く): 145297375

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 1807, 3475, 9035, 9319, 45175, 46595, 121147, 232975, 605735, 1295341, 3028675, 6476705, 16839433, 32383525, 84197165, 420985825]

約数ペア:

[(1, 420985825), (5, 84197165), (13, 32383525), (25, 16839433), (65, 6476705), (139, 3028675), (325, 1295341), (695, 605735), (1807, 232975), (3475, 121147), (9035, 46595), (9319, 45175)]