27940480

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 67473000

約数和(自身を除く): 39532520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 293, 298, 320, 586, 596, 640, 745, 1172, 1192, 1465, 1490, 2344, 2384, 2930, 2980, 4688, 4768, 5860, 5960, 9376, 9536, 11720, 11920, 18752, 19072, 23440, 23840, 37504, 43657, 46880, 47680, 87314, 93760, 95360, 174628, 187520, 218285, 349256, 436570, 698512, 873140, 1397024, 1746280, 2794048, 3492560, 5588096, 6985120, 13970240, 27940480]

約数ペア:

[(1, 27940480), (2, 13970240), (4, 6985120), (5, 5588096), (8, 3492560), (10, 2794048), (16, 1746280), (20, 1397024), (32, 873140), (40, 698512), (64, 436570), (80, 349256), (128, 218285), (149, 187520), (160, 174628), (293, 95360), (298, 93760), (320, 87314), (586, 47680), (596, 46880), (640, 43657), (745, 37504), (1172, 23840), (1192, 23440), (1465, 19072), (1490, 18752), (2344, 11920), (2384, 11720), (2930, 9536), (2980, 9376), (4688, 5960), (4768, 5860)]