80699120

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1439}}^1$

素因数の和:2153

約数の個数: 40

約数和(自身を含む): 188023680

約数和(自身を除く): 107324560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 1402, 1439, 2804, 2878, 3505, 5608, 5756, 7010, 7195, 11216, 11512, 14020, 14390, 23024, 28040, 28780, 56080, 57560, 115120, 1008739, 2017478, 4034956, 5043695, 8069912, 10087390, 16139824, 20174780, 40349560, 80699120]

約数ペア:

[(1, 80699120), (2, 40349560), (4, 20174780), (5, 16139824), (8, 10087390), (10, 8069912), (16, 5043695), (20, 4034956), (40, 2017478), (80, 1008739), (701, 115120), (1402, 57560), (1439, 56080), (2804, 28780), (2878, 28040), (3505, 23024), (5608, 14390), (5756, 14020), (7010, 11512), (7195, 11216)]