12155540

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2543}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 25643520

約数和(自身を除く): 13487980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2543, 4780, 5086, 10172, 12715, 25430, 50860, 607777, 1215554, 2431108, 3038885, 6077770, 12155540]

約数ペア:

[(1, 12155540), (2, 6077770), (4, 3038885), (5, 2431108), (10, 1215554), (20, 607777), (239, 50860), (478, 25430), (956, 12715), (1195, 10172), (2390, 5086), (2543, 4780)]