200769880

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{19997}}^1$

素因数の和:20259

約数の個数: 32

約数和(自身を含む): 453554640

約数和(自身を除く): 252784760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 19997, 39994, 79988, 99985, 159976, 199970, 399940, 799880, 5019247, 10038494, 20076988, 25096235, 40153976, 50192470, 100384940, 200769880]

約数ペア:

[(1, 200769880), (2, 100384940), (4, 50192470), (5, 40153976), (8, 25096235), (10, 20076988), (20, 10038494), (40, 5019247), (251, 799880), (502, 399940), (1004, 199970), (1255, 159976), (2008, 99985), (2510, 79988), (5020, 39994), (10040, 19997)]