12880780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58549}}^1$

素因数の和:58569

約数の個数: 24

約数和(自身を含む): 29509200

約数和(自身を除く): 16628420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58549, 117098, 234196, 292745, 585490, 644039, 1170980, 1288078, 2576156, 3220195, 6440390, 12880780]

約数ペア:

[(1, 12880780), (2, 6440390), (4, 3220195), (5, 2576156), (10, 1288078), (11, 1170980), (20, 644039), (22, 585490), (44, 292745), (55, 234196), (110, 117098), (220, 58549)]