2016123920

素因数分解:

$2^4\times 5^1\times {\mathrm{25201549}}^1$

素因数の和:25201562

約数の個数: 20

約数和(自身を含む): 4687488300

約数和(自身を除く): 2671364380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25201549, 50403098, 100806196, 126007745, 201612392, 252015490, 403224784, 504030980, 1008061960, 2016123920]

約数ペア:

[(1, 2016123920), (2, 1008061960), (4, 504030980), (5, 403224784), (8, 252015490), (10, 201612392), (16, 126007745), (20, 100806196), (40, 50403098), (80, 25201549)]