65186560

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 157764096

約数和(自身を除く): 92577536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 401, 508, 635, 640, 802, 1016, 1270, 1280, 1604, 2005, 2032, 2540, 3208, 4010, 4064, 5080, 6416, 8020, 8128, 10160, 12832, 16040, 16256, 20320, 25664, 32080, 32512, 40640, 50927, 51328, 64160, 81280, 101854, 102656, 128320, 162560, 203708, 254635, 256640, 407416, 509270, 513280, 814832, 1018540, 1629664, 2037080, 3259328, 4074160, 6518656, 8148320, 13037312, 16296640, 32593280, 65186560]

約数ペア:

[(1, 65186560), (2, 32593280), (4, 16296640), (5, 13037312), (8, 8148320), (10, 6518656), (16, 4074160), (20, 3259328), (32, 2037080), (40, 1629664), (64, 1018540), (80, 814832), (127, 513280), (128, 509270), (160, 407416), (254, 256640), (256, 254635), (320, 203708), (401, 162560), (508, 128320), (635, 102656), (640, 101854), (802, 81280), (1016, 64160), (1270, 51328), (1280, 50927), (1604, 40640), (2005, 32512), (2032, 32080), (2540, 25664), (3208, 20320), (4010, 16256), (4064, 16040), (5080, 12832), (6416, 10160), (8020, 8128)]