40639396

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{30881}}^1$

素因数の和:30939

約数の個数: 24

約数和(自身を含む): 83010816

約数和(自身を除く): 42371420

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 30881, 61762, 123524, 216167, 432334, 864668, 1451407, 2902814, 5805628, 10159849, 20319698, 40639396]

約数ペア:

[(1, 40639396), (2, 20319698), (4, 10159849), (7, 5805628), (14, 2902814), (28, 1451407), (47, 864668), (94, 432334), (188, 216167), (329, 123524), (658, 61762), (1316, 30881)]