20492080240

素因数分解:

$2^4\times 5^1\times {\mathrm{256151003}}^1$

素因数の和:256151016

約数の個数: 20

約数和(自身を含む): 47644086744

約数和(自身を除く): 27152006504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 256151003, 512302006, 1024604012, 1280755015, 2049208024, 2561510030, 4098416048, 5123020060, 10246040120, 20492080240]

約数ペア:

[(1, 20492080240), (2, 10246040120), (4, 5123020060), (5, 4098416048), (8, 2561510030), (10, 2049208024), (16, 1280755015), (20, 1024604012), (40, 512302006), (80, 256151003)]