26228720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6691}}^1$

素因数の和:6718

約数の個数: 60

約数和(自身を含む): 70948584

約数和(自身を除く): 44719864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6691, 13382, 26764, 33455, 46837, 53528, 66910, 93674, 107056, 133820, 187348, 234185, 267640, 327859, 374696, 468370, 535280, 655718, 749392, 936740, 1311436, 1639295, 1873480, 2622872, 3278590, 3746960, 5245744, 6557180, 13114360, 26228720]

約数ペア:

[(1, 26228720), (2, 13114360), (4, 6557180), (5, 5245744), (7, 3746960), (8, 3278590), (10, 2622872), (14, 1873480), (16, 1639295), (20, 1311436), (28, 936740), (35, 749392), (40, 655718), (49, 535280), (56, 468370), (70, 374696), (80, 327859), (98, 267640), (112, 234185), (140, 187348), (196, 133820), (245, 107056), (280, 93674), (392, 66910), (490, 53528), (560, 46837), (784, 33455), (980, 26764), (1960, 13382), (3920, 6691)]