66633040

素因数分解:

$2^4\times 5^1\times {\mathrm{832913}}^1$

素因数の和:832926

約数の個数: 20

約数和(自身を含む): 154922004

約数和(自身を除く): 88288964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832913, 1665826, 3331652, 4164565, 6663304, 8329130, 13326608, 16658260, 33316520, 66633040]

約数ペア:

[(1, 66633040), (2, 33316520), (4, 16658260), (5, 13326608), (8, 8329130), (10, 6663304), (16, 4164565), (20, 3331652), (40, 1665826), (80, 832913)]