2011051780

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{51539}}^1$

素因数の和:53499

約数の個数: 24

約数和(自身を含む): 4225455360

約数和(自身を除く): 2214403580

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 51539, 103078, 206156, 257695, 515390, 1030780, 100552589, 201105178, 402210356, 502762945, 1005525890, 2011051780]

約数ペア:

[(1, 2011051780), (2, 1005525890), (4, 502762945), (5, 402210356), (10, 201105178), (20, 100552589), (1951, 1030780), (3902, 515390), (7804, 257695), (9755, 206156), (19510, 103078), (39020, 51539)]