67420340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{259309}}^1$

素因数の和:259331

約数の個数: 24

約数和(自身を含む): 152474280

約数和(自身を除く): 85053940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 259309, 518618, 1037236, 1296545, 2593090, 3371017, 5186180, 6742034, 13484068, 16855085, 33710170, 67420340]

約数ペア:

[(1, 67420340), (2, 33710170), (4, 16855085), (5, 13484068), (10, 6742034), (13, 5186180), (20, 3371017), (26, 2593090), (52, 1296545), (65, 1037236), (130, 518618), (260, 259309)]