206880080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{235091}}^1$

素因数の和:235115

約数の個数: 40

約数和(自身を含む): 524725344

約数和(自身を除く): 317845264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 235091, 470182, 940364, 1175455, 1880728, 2350910, 2586001, 3761456, 4701820, 5172002, 9403640, 10344004, 12930005, 18807280, 20688008, 25860010, 41376016, 51720020, 103440040, 206880080]

約数ペア:

[(1, 206880080), (2, 103440040), (4, 51720020), (5, 41376016), (8, 25860010), (10, 20688008), (11, 18807280), (16, 12930005), (20, 10344004), (22, 9403640), (40, 5172002), (44, 4701820), (55, 3761456), (80, 2586001), (88, 2350910), (110, 1880728), (176, 1175455), (220, 940364), (440, 470182), (880, 235091)]