2630980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11959}}^1$

素因数の和:11979

約数の個数: 24

約数和(自身を含む): 6027840

約数和(自身を除く): 3396860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11959, 23918, 47836, 59795, 119590, 131549, 239180, 263098, 526196, 657745, 1315490, 2630980]

約数ペア:

[(1, 2630980), (2, 1315490), (4, 657745), (5, 526196), (10, 263098), (11, 239180), (20, 131549), (22, 119590), (44, 59795), (55, 47836), (110, 23918), (220, 11959)]