25181960

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1051}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 56808000

約数和(自身を除く): 31626040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1051, 1198, 2102, 2396, 2995, 4204, 4792, 5255, 5990, 8408, 10510, 11980, 21020, 23960, 42040, 629549, 1259098, 2518196, 3147745, 5036392, 6295490, 12590980, 25181960]

約数ペア:

[(1, 25181960), (2, 12590980), (4, 6295490), (5, 5036392), (8, 3147745), (10, 2518196), (20, 1259098), (40, 629549), (599, 42040), (1051, 23960), (1198, 21020), (2102, 11980), (2396, 10510), (2995, 8408), (4204, 5990), (4792, 5255)]