40185730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309121}}^1$

素因数の和:309141

約数の個数: 16

約数和(自身を含む): 77898744

約数和(自身を除く): 37713014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 309121, 618242, 1545605, 3091210, 4018573, 8037146, 20092865, 40185730]

約数ペア:

[(1, 40185730), (2, 20092865), (5, 8037146), (10, 4018573), (13, 3091210), (26, 1545605), (65, 618242), (130, 309121)]