166878080

素因数分解:

$2^7\times 5^1\times {\mathrm{260747}}^1$

素因数の和:260766

約数の個数: 32

約数和(自身を含む): 398944440

約数和(自身を除く): 232066360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 260747, 521494, 1042988, 1303735, 2085976, 2607470, 4171952, 5214940, 8343904, 10429880, 16687808, 20859760, 33375616, 41719520, 83439040, 166878080]

約数ペア:

[(1, 166878080), (2, 83439040), (4, 41719520), (5, 33375616), (8, 20859760), (10, 16687808), (16, 10429880), (20, 8343904), (32, 5214940), (40, 4171952), (64, 2607470), (80, 2085976), (128, 1303735), (160, 1042988), (320, 521494), (640, 260747)]