128450990

素因数分解:

$2^1\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{6337}}^1$

素因数の和:8371

約数の個数: 16

約数和(自身を含む): 231362352

約数和(自身を除く): 102911362

約数列:

[1, 2, 5, 10, 2027, 4054, 6337, 10135, 12674, 20270, 31685, 63370, 12845099, 25690198, 64225495, 128450990]

約数ペア:

[(1, 128450990), (2, 64225495), (5, 25690198), (10, 12845099), (2027, 63370), (4054, 31685), (6337, 20270), (10135, 12674)]