81090460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{368593}}^1$

素因数の和:368613

約数の個数: 24

約数和(自身を含む): 185771376

約数和(自身を除く): 104680916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 368593, 737186, 1474372, 1842965, 3685930, 4054523, 7371860, 8109046, 16218092, 20272615, 40545230, 81090460]

約数ペア:

[(1, 81090460), (2, 40545230), (4, 20272615), (5, 16218092), (10, 8109046), (11, 7371860), (20, 4054523), (22, 3685930), (44, 1842965), (55, 1474372), (110, 737186), (220, 368593)]