1821152920

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{51329}}^1$

素因数の和:52227

約数の個数: 32

約数和(自身を含む): 4102293600

約数和(自身を除く): 2281140680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 8870, 17740, 35480, 51329, 102658, 205316, 256645, 410632, 513290, 1026580, 2053160, 45528823, 91057646, 182115292, 227644115, 364230584, 455288230, 910576460, 1821152920]

約数ペア:

[(1, 1821152920), (2, 910576460), (4, 455288230), (5, 364230584), (8, 227644115), (10, 182115292), (20, 91057646), (40, 45528823), (887, 2053160), (1774, 1026580), (3548, 513290), (4435, 410632), (7096, 256645), (8870, 205316), (17740, 102658), (35480, 51329)]