200815420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{772367}}^1$

素因数の和:772389

約数の個数: 24

約数和(自身を含む): 454152384

約数和(自身を除く): 253336964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 772367, 1544734, 3089468, 3861835, 7723670, 10040771, 15447340, 20081542, 40163084, 50203855, 100407710, 200815420]

約数ペア:

[(1, 200815420), (2, 100407710), (4, 50203855), (5, 40163084), (10, 20081542), (13, 15447340), (20, 10040771), (26, 7723670), (52, 3861835), (65, 3089468), (130, 1544734), (260, 772367)]