25433975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 13134985

約数列:

[1, 5, 7, 23, 25, 35, 71, 89, 115, 161, 175, 355, 445, 497, 575, 623, 805, 1633, 1775, 2047, 2225, 2485, 3115, 4025, 6319, 8165, 10235, 11431, 12425, 14329, 15575, 31595, 40825, 44233, 51175, 57155, 71645, 145337, 157975, 221165, 285775, 358225, 726685, 1017359, 1105825, 3633425, 5086795, 25433975]

約数ペア:

[(1, 25433975), (5, 5086795), (7, 3633425), (23, 1105825), (25, 1017359), (35, 726685), (71, 358225), (89, 285775), (115, 221165), (161, 157975), (175, 145337), (355, 71645), (445, 57155), (497, 51175), (575, 44233), (623, 40825), (805, 31595), (1633, 15575), (1775, 14329), (2047, 12425), (2225, 11431), (2485, 10235), (3115, 8165), (4025, 6319)]