8208025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 12856320

約数和(自身を除く): 4648295

約数列:

[1, 5, 7, 17, 25, 31, 35, 85, 89, 119, 155, 175, 217, 425, 445, 527, 595, 623, 775, 1085, 1513, 2225, 2635, 2759, 2975, 3115, 3689, 5425, 7565, 10591, 13175, 13795, 15575, 18445, 19313, 37825, 46903, 52955, 68975, 92225, 96565, 234515, 264775, 328321, 482825, 1172575, 1641605, 8208025]

約数ペア:

[(1, 8208025), (5, 1641605), (7, 1172575), (17, 482825), (25, 328321), (31, 264775), (35, 234515), (85, 96565), (89, 92225), (119, 68975), (155, 52955), (175, 46903), (217, 37825), (425, 19313), (445, 18445), (527, 15575), (595, 13795), (623, 13175), (775, 10591), (1085, 7565), (1513, 5425), (2225, 3689), (2635, 3115), (2759, 2975)]