25682020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 67511808

約数和(自身を除く): 41829788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 137, 140, 182, 206, 260, 274, 364, 412, 455, 515, 548, 685, 721, 910, 959, 1030, 1339, 1370, 1442, 1781, 1820, 1918, 2060, 2678, 2740, 2884, 3562, 3605, 3836, 4795, 5356, 6695, 7124, 7210, 8905, 9373, 9590, 12467, 13390, 14111, 14420, 17810, 18746, 19180, 24934, 26780, 28222, 35620, 37492, 46865, 49868, 56444, 62335, 70555, 93730, 98777, 124670, 141110, 183443, 187460, 197554, 249340, 282220, 366886, 395108, 493885, 733772, 917215, 987770, 1284101, 1834430, 1975540, 2568202, 3668860, 5136404, 6420505, 12841010, 25682020]

約数ペア:

[(1, 25682020), (2, 12841010), (4, 6420505), (5, 5136404), (7, 3668860), (10, 2568202), (13, 1975540), (14, 1834430), (20, 1284101), (26, 987770), (28, 917215), (35, 733772), (52, 493885), (65, 395108), (70, 366886), (91, 282220), (103, 249340), (130, 197554), (137, 187460), (140, 183443), (182, 141110), (206, 124670), (260, 98777), (274, 93730), (364, 70555), (412, 62335), (455, 56444), (515, 49868), (548, 46865), (685, 37492), (721, 35620), (910, 28222), (959, 26780), (1030, 24934), (1339, 19180), (1370, 18746), (1442, 17810), (1781, 14420), (1820, 14111), (1918, 13390), (2060, 12467), (2678, 9590), (2740, 9373), (2884, 8905), (3562, 7210), (3605, 7124), (3836, 6695), (4795, 5356)]