66980980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{304459}}^1$

素因数の和:304479

約数の個数: 24

約数和(自身を含む): 153447840

約数和(自身を除く): 86466860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 304459, 608918, 1217836, 1522295, 3044590, 3349049, 6089180, 6698098, 13396196, 16745245, 33490490, 66980980]

約数ペア:

[(1, 66980980), (2, 33490490), (4, 16745245), (5, 13396196), (10, 6698098), (11, 6089180), (20, 3349049), (22, 3044590), (44, 1522295), (55, 1217836), (110, 608918), (220, 304459)]