40399876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 80011008

約数和(自身を除く): 39611132

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 131, 163, 172, 262, 326, 473, 524, 652, 946, 1441, 1793, 1892, 2882, 3586, 5633, 5764, 7009, 7172, 11266, 14018, 21353, 22532, 28036, 42706, 61963, 77099, 85412, 123926, 154198, 234883, 247852, 308396, 469766, 918179, 939532, 1836358, 3672716, 10099969, 20199938, 40399876]

約数ペア:

[(1, 40399876), (2, 20199938), (4, 10099969), (11, 3672716), (22, 1836358), (43, 939532), (44, 918179), (86, 469766), (131, 308396), (163, 247852), (172, 234883), (262, 154198), (326, 123926), (473, 85412), (524, 77099), (652, 61963), (946, 42706), (1441, 28036), (1793, 22532), (1892, 21353), (2882, 14018), (3586, 11266), (5633, 7172), (5764, 7009)]