28283480

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1307}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 63804240

約数和(自身を除く): 35520760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1307, 2164, 2614, 2705, 4328, 5228, 5410, 6535, 10456, 10820, 13070, 21640, 26140, 52280, 707087, 1414174, 2828348, 3535435, 5656696, 7070870, 14141740, 28283480]

約数ペア:

[(1, 28283480), (2, 14141740), (4, 7070870), (5, 5656696), (8, 3535435), (10, 2828348), (20, 1414174), (40, 707087), (541, 52280), (1082, 26140), (1307, 21640), (2164, 13070), (2614, 10820), (2705, 10456), (4328, 6535), (5228, 5410)]