40590205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 50122800

約数和(自身を除く): 9532595

約数列:

[1, 5, 41, 205, 389, 509, 1945, 2545, 15949, 20869, 79745, 104345, 198001, 990005, 8118041, 40590205]

約数ペア:

[(1, 40590205), (5, 8118041), (41, 990005), (205, 198001), (389, 104345), (509, 79745), (1945, 20869), (2545, 15949)]