54185425

素因数分解:

$5^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 80352000

約数和(自身を除く): 26166575

約数列:

[1, 5, 7, 25, 35, 49, 71, 89, 175, 245, 343, 355, 445, 497, 623, 1225, 1715, 1775, 2225, 2485, 3115, 3479, 4361, 6319, 8575, 12425, 15575, 17395, 21805, 24353, 30527, 31595, 44233, 86975, 109025, 121765, 152635, 157975, 221165, 309631, 608825, 763175, 1105825, 1548155, 2167417, 7740775, 10837085, 54185425]

約数ペア:

[(1, 54185425), (5, 10837085), (7, 7740775), (25, 2167417), (35, 1548155), (49, 1105825), (71, 763175), (89, 608825), (175, 309631), (245, 221165), (343, 157975), (355, 152635), (445, 121765), (497, 109025), (623, 86975), (1225, 44233), (1715, 31595), (1775, 30527), (2225, 24353), (2485, 21805), (3115, 17395), (3479, 15575), (4361, 12425), (6319, 8575)]