25459525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 42330624

約数和(自身を除く): 16871099

約数列:

[1, 5, 7, 13, 19, 25, 31, 35, 65, 91, 95, 133, 155, 175, 217, 247, 325, 361, 403, 455, 475, 589, 665, 775, 1085, 1235, 1729, 1805, 2015, 2275, 2527, 2821, 2945, 3325, 4123, 4693, 5425, 6175, 7657, 8645, 9025, 10075, 11191, 12635, 14105, 14725, 20615, 23465, 32851, 38285, 43225, 53599, 55955, 63175, 70525, 78337, 103075, 117325, 145483, 164255, 191425, 267995, 279775, 391685, 727415, 821275, 1018381, 1339975, 1958425, 3637075, 5091905, 25459525]

約数ペア:

[(1, 25459525), (5, 5091905), (7, 3637075), (13, 1958425), (19, 1339975), (25, 1018381), (31, 821275), (35, 727415), (65, 391685), (91, 279775), (95, 267995), (133, 191425), (155, 164255), (175, 145483), (217, 117325), (247, 103075), (325, 78337), (361, 70525), (403, 63175), (455, 55955), (475, 53599), (589, 43225), (665, 38285), (775, 32851), (1085, 23465), (1235, 20615), (1729, 14725), (1805, 14105), (2015, 12635), (2275, 11191), (2527, 10075), (2821, 9025), (2945, 8645), (3325, 7657), (4123, 6175), (4693, 5425)]