2887008080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3280691}}^1$

素因数の和:3280715

約数の個数: 40

約数和(自身を含む): 7322504544

約数和(自身を除く): 4435496464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3280691, 6561382, 13122764, 16403455, 26245528, 32806910, 36087601, 52491056, 65613820, 72175202, 131227640, 144350404, 180438005, 262455280, 288700808, 360876010, 577401616, 721752020, 1443504040, 2887008080]

約数ペア:

[(1, 2887008080), (2, 1443504040), (4, 721752020), (5, 577401616), (8, 360876010), (10, 288700808), (11, 262455280), (16, 180438005), (20, 144350404), (22, 131227640), (40, 72175202), (44, 65613820), (55, 52491056), (80, 36087601), (88, 32806910), (110, 26245528), (176, 16403455), (220, 13122764), (440, 6561382), (880, 3280691)]