39956140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6961}}^1$

素因数の和:7018

約数の個数: 48

約数和(自身を含む): 98247744

約数和(自身を除く): 58291604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 6961, 13922, 27844, 34805, 48727, 69610, 97454, 139220, 194908, 243635, 285401, 487270, 570802, 974540, 1141604, 1427005, 1997807, 2854010, 3995614, 5708020, 7991228, 9989035, 19978070, 39956140]

約数ペア:

[(1, 39956140), (2, 19978070), (4, 9989035), (5, 7991228), (7, 5708020), (10, 3995614), (14, 2854010), (20, 1997807), (28, 1427005), (35, 1141604), (41, 974540), (70, 570802), (82, 487270), (140, 285401), (164, 243635), (205, 194908), (287, 139220), (410, 97454), (574, 69610), (820, 48727), (1148, 34805), (1435, 27844), (2870, 13922), (5740, 6961)]