40764440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2887}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 92011680

約数和(自身を除く): 51247240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 2887, 3530, 5774, 7060, 11548, 14120, 14435, 23096, 28870, 57740, 115480, 1019111, 2038222, 4076444, 5095555, 8152888, 10191110, 20382220, 40764440]

約数ペア:

[(1, 40764440), (2, 20382220), (4, 10191110), (5, 8152888), (8, 5095555), (10, 4076444), (20, 2038222), (40, 1019111), (353, 115480), (706, 57740), (1412, 28870), (1765, 23096), (2824, 14435), (2887, 14120), (3530, 11548), (5774, 7060)]