40820390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314003}}^1$

素因数の和:314023

約数の個数: 16

約数和(自身を含む): 79129008

約数和(自身を除く): 38308618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 314003, 628006, 1570015, 3140030, 4082039, 8164078, 20410195, 40820390]

約数ペア:

[(1, 40820390), (2, 20410195), (5, 8164078), (10, 4082039), (13, 3140030), (26, 1570015), (65, 628006), (130, 314003)]