80438080

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1643

約数の個数: 56

約数和(自身を含む): 192782952

約数和(自身を除く): 112344872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1384, 1453, 1730, 2768, 2906, 3460, 5536, 5812, 6920, 7265, 11072, 11624, 13840, 14530, 23248, 27680, 29060, 46496, 55360, 58120, 92992, 116240, 232480, 251369, 464960, 502738, 1005476, 1256845, 2010952, 2513690, 4021904, 5027380, 8043808, 10054760, 16087616, 20109520, 40219040, 80438080]

約数ペア:

[(1, 80438080), (2, 40219040), (4, 20109520), (5, 16087616), (8, 10054760), (10, 8043808), (16, 5027380), (20, 4021904), (32, 2513690), (40, 2010952), (64, 1256845), (80, 1005476), (160, 502738), (173, 464960), (320, 251369), (346, 232480), (692, 116240), (865, 92992), (1384, 58120), (1453, 55360), (1730, 46496), (2768, 29060), (2906, 27680), (3460, 23248), (5536, 14530), (5812, 13840), (6920, 11624), (7265, 11072)]