10026740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 21954240

約数和(自身を除く): 11927500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 131, 172, 178, 215, 262, 356, 430, 445, 524, 655, 860, 890, 1310, 1780, 2620, 3827, 5633, 7654, 11266, 11659, 15308, 19135, 22532, 23318, 28165, 38270, 46636, 56330, 58295, 76540, 112660, 116590, 233180, 501337, 1002674, 2005348, 2506685, 5013370, 10026740]

約数ペア:

[(1, 10026740), (2, 5013370), (4, 2506685), (5, 2005348), (10, 1002674), (20, 501337), (43, 233180), (86, 116590), (89, 112660), (131, 76540), (172, 58295), (178, 56330), (215, 46636), (262, 38270), (356, 28165), (430, 23318), (445, 22532), (524, 19135), (655, 15308), (860, 11659), (890, 11266), (1310, 7654), (1780, 5633), (2620, 3827)]