40678928

素因数分解:

$2^4\times {\mathrm{1039}}^1\times {\mathrm{2447}}^1$

素因数の和:3494

約数の個数: 20

約数和(自身を含む): 78923520

約数和(自身を除く): 38244592

約数列:

[1, 2, 4, 8, 16, 1039, 2078, 2447, 4156, 4894, 8312, 9788, 16624, 19576, 39152, 2542433, 5084866, 10169732, 20339464, 40678928]

約数ペア:

[(1, 40678928), (2, 20339464), (4, 10169732), (8, 5084866), (16, 2542433), (1039, 39152), (2078, 19576), (2447, 16624), (4156, 9788), (4894, 8312)]