66129520

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4283}}^1$

素因数の和:4489

約数の個数: 40

約数和(自身を含む): 154583856

約数和(自身を除く): 88454336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4283, 7720, 8566, 15440, 17132, 21415, 34264, 42830, 68528, 85660, 171320, 342640, 826619, 1653238, 3306476, 4133095, 6612952, 8266190, 13225904, 16532380, 33064760, 66129520]

約数ペア:

[(1, 66129520), (2, 33064760), (4, 16532380), (5, 13225904), (8, 8266190), (10, 6612952), (16, 4133095), (20, 3306476), (40, 1653238), (80, 826619), (193, 342640), (386, 171320), (772, 85660), (965, 68528), (1544, 42830), (1930, 34264), (3088, 21415), (3860, 17132), (4283, 15440), (7720, 8566)]