28575280

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 66660912

約数和(自身を除く): 38085632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 653, 1094, 1306, 2188, 2612, 2735, 3265, 4376, 5224, 5470, 6530, 8752, 10448, 10940, 13060, 21880, 26120, 43760, 52240, 357191, 714382, 1428764, 1785955, 2857528, 3571910, 5715056, 7143820, 14287640, 28575280]

約数ペア:

[(1, 28575280), (2, 14287640), (4, 7143820), (5, 5715056), (8, 3571910), (10, 2857528), (16, 1785955), (20, 1428764), (40, 714382), (80, 357191), (547, 52240), (653, 43760), (1094, 26120), (1306, 21880), (2188, 13060), (2612, 10940), (2735, 10448), (3265, 8752), (4376, 6530), (5224, 5470)]