2799280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3181}}^1$

素因数の和:3205

約数の個数: 40

約数和(自身を含む): 7102224

約数和(自身を除く): 4302944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3181, 6362, 12724, 15905, 25448, 31810, 34991, 50896, 63620, 69982, 127240, 139964, 174955, 254480, 279928, 349910, 559856, 699820, 1399640, 2799280]

約数ペア:

[(1, 2799280), (2, 1399640), (4, 699820), (5, 559856), (8, 349910), (10, 279928), (11, 254480), (16, 174955), (20, 139964), (22, 127240), (40, 69982), (44, 63620), (55, 50896), (80, 34991), (88, 31810), (110, 25448), (176, 15905), (220, 12724), (440, 6362), (880, 3181)]