40315282

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20717}}^1$

素因数の和:20865

約数の個数: 16

約数和(自身を含む): 69612480

約数和(自身を除く): 29297198

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20717, 41434, 145019, 290038, 2879663, 5759326, 20157641, 40315282]

約数ペア:

[(1, 40315282), (2, 20157641), (7, 5759326), (14, 2879663), (139, 290038), (278, 145019), (973, 41434), (1946, 20717)]