12547400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 29871600

約数和(自身を除く): 17324200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1459, 1720, 2150, 2918, 4300, 5836, 7295, 8600, 11672, 14590, 29180, 36475, 58360, 62737, 72950, 125474, 145900, 250948, 291800, 313685, 501896, 627370, 1254740, 1568425, 2509480, 3136850, 6273700, 12547400]

約数ペア:

[(1, 12547400), (2, 6273700), (4, 3136850), (5, 2509480), (8, 1568425), (10, 1254740), (20, 627370), (25, 501896), (40, 313685), (43, 291800), (50, 250948), (86, 145900), (100, 125474), (172, 72950), (200, 62737), (215, 58360), (344, 36475), (430, 29180), (860, 14590), (1075, 11672), (1459, 8600), (1720, 7295), (2150, 5836), (2918, 4300)]