40219376

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{19793}}^1$

素因数の和:19928

約数の個数: 20

約数和(自身を含む): 78542592

約数和(自身を除く): 38323216

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 19793, 39586, 79172, 158344, 316688, 2513711, 5027422, 10054844, 20109688, 40219376]

約数ペア:

[(1, 40219376), (2, 20109688), (4, 10054844), (8, 5027422), (16, 2513711), (127, 316688), (254, 158344), (508, 79172), (1016, 39586), (2032, 19793)]