40630534

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20879}}^1$

素因数の和:21027

約数の個数: 16

約数和(自身を含む): 70156800

約数和(自身を除く): 29526266

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20879, 41758, 146153, 292306, 2902181, 5804362, 20315267, 40630534]

約数ペア:

[(1, 40630534), (2, 20315267), (7, 5804362), (14, 2902181), (139, 292306), (278, 146153), (973, 41758), (1946, 20879)]