40780515

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19559}}^1$

素因数の和:19706

約数の個数: 16

約数和(自身を含む): 65721600

約数和(自身を除く): 24941085

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 19559, 58677, 97795, 293385, 2718701, 8156103, 13593505, 40780515]

約数ペア:

[(1, 40780515), (3, 13593505), (5, 8156103), (15, 2718701), (139, 293385), (417, 97795), (695, 58677), (2085, 19559)]