1278528025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{14923}}^1$

素因数の和:15105

約数の個数: 24

約数和(自身を含む): 1665518400

約数和(自身を除く): 386990375

約数列:

[1, 5, 23, 25, 115, 149, 575, 745, 3427, 3725, 14923, 17135, 74615, 85675, 343229, 373075, 1716145, 2223527, 8580725, 11117635, 51141121, 55588175, 255705605, 1278528025]

約数ペア:

[(1, 1278528025), (5, 255705605), (23, 55588175), (25, 51141121), (115, 11117635), (149, 8580725), (575, 2223527), (745, 1716145), (3427, 373075), (3725, 343229), (14923, 85675), (17135, 74615)]