2057100440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{145687}}^1$

素因数の和:146051

約数の個数: 32

約数和(自身を含む): 4641619680

約数和(自身を除く): 2584519240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 145687, 291374, 582748, 728435, 1165496, 1456870, 2913740, 5827480, 51427511, 102855022, 205710044, 257137555, 411420088, 514275110, 1028550220, 2057100440]

約数ペア:

[(1, 2057100440), (2, 1028550220), (4, 514275110), (5, 411420088), (8, 257137555), (10, 205710044), (20, 102855022), (40, 51427511), (353, 5827480), (706, 2913740), (1412, 1456870), (1765, 1165496), (2824, 728435), (3530, 582748), (7060, 291374), (14120, 145687)]