80266240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 88

約数和(自身を含む): 196462872

約数和(自身を除く): 116196632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 257, 305, 320, 488, 512, 514, 610, 640, 976, 1024, 1028, 1220, 1280, 1285, 1952, 2056, 2440, 2560, 2570, 3904, 4112, 4880, 5120, 5140, 7808, 8224, 9760, 10280, 15616, 15677, 16448, 19520, 20560, 31232, 31354, 32896, 39040, 41120, 62464, 62708, 65792, 78080, 78385, 82240, 125416, 131584, 156160, 156770, 164480, 250832, 263168, 312320, 313540, 328960, 501664, 627080, 657920, 1003328, 1254160, 1315840, 2006656, 2508320, 4013312, 5016640, 8026624, 10033280, 16053248, 20066560, 40133120, 80266240]

約数ペア:

[(1, 80266240), (2, 40133120), (4, 20066560), (5, 16053248), (8, 10033280), (10, 8026624), (16, 5016640), (20, 4013312), (32, 2508320), (40, 2006656), (61, 1315840), (64, 1254160), (80, 1003328), (122, 657920), (128, 627080), (160, 501664), (244, 328960), (256, 313540), (257, 312320), (305, 263168), (320, 250832), (488, 164480), (512, 156770), (514, 156160), (610, 131584), (640, 125416), (976, 82240), (1024, 78385), (1028, 78080), (1220, 65792), (1280, 62708), (1285, 62464), (1952, 41120), (2056, 39040), (2440, 32896), (2560, 31354), (2570, 31232), (3904, 20560), (4112, 19520), (4880, 16448), (5120, 15677), (5140, 15616), (7808, 10280), (8224, 9760)]