39009280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 88

約数和(自身を含む): 98747280

約数和(自身を除く): 59738000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 401, 512, 608, 640, 760, 802, 1024, 1216, 1280, 1520, 1604, 2005, 2432, 2560, 3040, 3208, 4010, 4864, 5120, 6080, 6416, 7619, 8020, 9728, 12160, 12832, 15238, 16040, 19456, 24320, 25664, 30476, 32080, 38095, 48640, 51328, 60952, 64160, 76190, 97280, 102656, 121904, 128320, 152380, 205312, 243808, 256640, 304760, 410624, 487616, 513280, 609520, 975232, 1026560, 1219040, 1950464, 2053120, 2438080, 3900928, 4876160, 7801856, 9752320, 19504640, 39009280]

約数ペア:

[(1, 39009280), (2, 19504640), (4, 9752320), (5, 7801856), (8, 4876160), (10, 3900928), (16, 2438080), (19, 2053120), (20, 1950464), (32, 1219040), (38, 1026560), (40, 975232), (64, 609520), (76, 513280), (80, 487616), (95, 410624), (128, 304760), (152, 256640), (160, 243808), (190, 205312), (256, 152380), (304, 128320), (320, 121904), (380, 102656), (401, 97280), (512, 76190), (608, 64160), (640, 60952), (760, 51328), (802, 48640), (1024, 38095), (1216, 32080), (1280, 30476), (1520, 25664), (1604, 24320), (2005, 19456), (2432, 16040), (2560, 15238), (3040, 12832), (3208, 12160), (4010, 9728), (4864, 8020), (5120, 7619), (6080, 6416)]