40338256

素因数分解:

$2^4\times 7^1\times {\mathrm{360163}}^1$

素因数の和:360178

約数の個数: 20

約数和(自身を含む): 89320672

約数和(自身を除く): 48982416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 360163, 720326, 1440652, 2521141, 2881304, 5042282, 5762608, 10084564, 20169128, 40338256]

約数ペア:

[(1, 40338256), (2, 20169128), (4, 10084564), (7, 5762608), (8, 5042282), (14, 2881304), (16, 2521141), (28, 1440652), (56, 720326), (112, 360163)]