12126860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14484340

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 239, 295, 430, 478, 590, 860, 956, 1180, 1195, 2390, 2537, 4780, 5074, 10148, 10277, 12685, 14101, 20554, 25370, 28202, 41108, 50740, 51385, 56404, 70505, 102770, 141010, 205540, 282020, 606343, 1212686, 2425372, 3031715, 6063430, 12126860]

約数ペア:

[(1, 12126860), (2, 6063430), (4, 3031715), (5, 2425372), (10, 1212686), (20, 606343), (43, 282020), (59, 205540), (86, 141010), (118, 102770), (172, 70505), (215, 56404), (236, 51385), (239, 50740), (295, 41108), (430, 28202), (478, 25370), (590, 20554), (860, 14101), (956, 12685), (1180, 10277), (1195, 10148), (2390, 5074), (2537, 4780)]