89005475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 119784000

約数和(自身を除く): 30778525

約数列:

[1, 5, 13, 25, 65, 137, 325, 685, 1781, 1999, 3425, 8905, 9995, 25987, 44525, 49975, 129935, 273863, 649675, 1369315, 3560219, 6846575, 17801095, 89005475]

約数ペア:

[(1, 89005475), (5, 17801095), (13, 6846575), (25, 3560219), (65, 1369315), (137, 649675), (325, 273863), (685, 129935), (1781, 49975), (1999, 44525), (3425, 25987), (8905, 9995)]