1285285520

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{54833}}^1$

素因数の和:55139

約数の個数: 40

約数和(自身を含む): 2998542456

約数和(自身を除く): 1713256936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2930, 4688, 5860, 11720, 23440, 54833, 109666, 219332, 274165, 438664, 548330, 877328, 1096660, 2193320, 4386640, 16066069, 32132138, 64264276, 80330345, 128528552, 160660690, 257057104, 321321380, 642642760, 1285285520]

約数ペア:

[(1, 1285285520), (2, 642642760), (4, 321321380), (5, 257057104), (8, 160660690), (10, 128528552), (16, 80330345), (20, 64264276), (40, 32132138), (80, 16066069), (293, 4386640), (586, 2193320), (1172, 1096660), (1465, 877328), (2344, 548330), (2930, 438664), (4688, 274165), (5860, 219332), (11720, 109666), (23440, 54833)]