808492040

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{37361}}^1$

素因数の和:37913

約数の個数: 32

約数和(自身を含む): 1822518360

約数和(自身を除く): 1014026320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 37361, 74722, 149444, 186805, 298888, 373610, 747220, 1494440, 20212301, 40424602, 80849204, 101061505, 161698408, 202123010, 404246020, 808492040]

約数ペア:

[(1, 808492040), (2, 404246020), (4, 202123010), (5, 161698408), (8, 101061505), (10, 80849204), (20, 40424602), (40, 20212301), (541, 1494440), (1082, 747220), (2164, 373610), (2705, 298888), (4328, 186805), (5410, 149444), (10820, 74722), (21640, 37361)]