8380040

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{547}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 18938880

約数和(自身を除く): 10558840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 547, 766, 1094, 1532, 1915, 2188, 2735, 3064, 3830, 4376, 5470, 7660, 10940, 15320, 21880, 209501, 419002, 838004, 1047505, 1676008, 2095010, 4190020, 8380040]

約数ペア:

[(1, 8380040), (2, 4190020), (4, 2095010), (5, 1676008), (8, 1047505), (10, 838004), (20, 419002), (40, 209501), (383, 21880), (547, 15320), (766, 10940), (1094, 7660), (1532, 5470), (1915, 4376), (2188, 3830), (2735, 3064)]