88638140

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{17657}}^1$

素因数の和:17917

約数の個数: 24

約数和(自身を含む): 186892272

約数和(自身を除く): 98254132

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 17657, 35314, 70628, 88285, 176570, 353140, 4431907, 8863814, 17727628, 22159535, 44319070, 88638140]

約数ペア:

[(1, 88638140), (2, 44319070), (4, 22159535), (5, 17727628), (10, 8863814), (20, 4431907), (251, 353140), (502, 176570), (1004, 88285), (1255, 70628), (2510, 35314), (5020, 17657)]