40427128

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 88638480

約数和(自身を除く): 48211352

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 257, 371, 424, 514, 742, 1028, 1484, 1799, 2056, 2809, 2968, 3598, 5618, 7196, 11236, 13621, 14392, 19663, 22472, 27242, 39326, 54484, 78652, 95347, 108968, 157304, 190694, 381388, 721913, 762776, 1443826, 2887652, 5053391, 5775304, 10106782, 20213564, 40427128]

約数ペア:

[(1, 40427128), (2, 20213564), (4, 10106782), (7, 5775304), (8, 5053391), (14, 2887652), (28, 1443826), (53, 762776), (56, 721913), (106, 381388), (212, 190694), (257, 157304), (371, 108968), (424, 95347), (514, 78652), (742, 54484), (1028, 39326), (1484, 27242), (1799, 22472), (2056, 19663), (2809, 14392), (2968, 13621), (3598, 11236), (5618, 7196)]