40348945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 20131055

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 1249, 2485, 4615, 6245, 6461, 8743, 16237, 32305, 43715, 81185, 88679, 113659, 443395, 568295, 620753, 1152827, 3103765, 5764135, 8069789, 40348945]

約数ペア:

[(1, 40348945), (5, 8069789), (7, 5764135), (13, 3103765), (35, 1152827), (65, 620753), (71, 568295), (91, 443395), (355, 113659), (455, 88679), (497, 81185), (923, 43715), (1249, 32305), (2485, 16237), (4615, 8743), (6245, 6461)]