40278544

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{41269}}^1$

素因数の和:41338

約数の個数: 20

約数和(自身を含む): 79320940

約数和(自身を除く): 39042396

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 41269, 82538, 165076, 330152, 660304, 2517409, 5034818, 10069636, 20139272, 40278544]

約数ペア:

[(1, 40278544), (2, 20139272), (4, 10069636), (8, 5034818), (16, 2517409), (61, 660304), (122, 330152), (244, 165076), (488, 82538), (976, 41269)]