40887665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 61264896

約数和(自身を除く): 20377231

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 1231, 2555, 4745, 6155, 6643, 8617, 16003, 33215, 43085, 80015, 89863, 112021, 449315, 560105, 629041, 1168219, 3145205, 5841095, 8177533, 40887665]

約数ペア:

[(1, 40887665), (5, 8177533), (7, 5841095), (13, 3145205), (35, 1168219), (65, 629041), (73, 560105), (91, 449315), (365, 112021), (455, 89863), (511, 80015), (949, 43085), (1231, 33215), (2555, 16003), (4745, 8617), (6155, 6643)]