155421880

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3697}}^1$

素因数の和:4759

約数の個数: 32

約数和(自身を含む): 350126640

約数和(自身を除く): 194704760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 3697, 4204, 5255, 7394, 8408, 10510, 14788, 18485, 21020, 29576, 36970, 42040, 73940, 147880, 3885547, 7771094, 15542188, 19427735, 31084376, 38855470, 77710940, 155421880]

約数ペア:

[(1, 155421880), (2, 77710940), (4, 38855470), (5, 31084376), (8, 19427735), (10, 15542188), (20, 7771094), (40, 3885547), (1051, 147880), (2102, 73940), (3697, 42040), (4204, 36970), (5255, 29576), (7394, 21020), (8408, 18485), (10510, 14788)]