10009880

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 22634640

約数和(自身を除く): 12624760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 997, 1004, 1255, 1994, 2008, 2510, 3988, 4985, 5020, 7976, 9970, 10040, 19940, 39880, 250247, 500494, 1000988, 1251235, 2001976, 2502470, 5004940, 10009880]

約数ペア:

[(1, 10009880), (2, 5004940), (4, 2502470), (5, 2001976), (8, 1251235), (10, 1000988), (20, 500494), (40, 250247), (251, 39880), (502, 19940), (997, 10040), (1004, 9970), (1255, 7976), (1994, 5020), (2008, 4985), (2510, 3988)]