66998480

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6113}}^1$

素因数の和:6263

約数の個数: 40

約数和(自身を含む): 156934152

約数和(自身を除く): 89935672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 6113, 10960, 12226, 24452, 30565, 48904, 61130, 97808, 122260, 244520, 489040, 837481, 1674962, 3349924, 4187405, 6699848, 8374810, 13399696, 16749620, 33499240, 66998480]

約数ペア:

[(1, 66998480), (2, 33499240), (4, 16749620), (5, 13399696), (8, 8374810), (10, 6699848), (16, 4187405), (20, 3349924), (40, 1674962), (80, 837481), (137, 489040), (274, 244520), (548, 122260), (685, 97808), (1096, 61130), (1370, 48904), (2192, 30565), (2740, 24452), (5480, 12226), (6113, 10960)]