200916820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{772757}}^1$

素因数の和:772779

約数の個数: 24

約数和(自身を含む): 454381704

約数和(自身を除く): 253464884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 772757, 1545514, 3091028, 3863785, 7727570, 10045841, 15455140, 20091682, 40183364, 50229205, 100458410, 200916820]

約数ペア:

[(1, 200916820), (2, 100458410), (4, 50229205), (5, 40183364), (10, 20091682), (13, 15455140), (20, 10045841), (26, 7727570), (52, 3863785), (65, 3091028), (130, 1545514), (260, 772757)]