85015780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{39727}}^1$

素因数の和:39843

約数の個数: 24

約数和(自身を含む): 180206208

約数和(自身を除く): 95190428

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 39727, 79454, 158908, 198635, 397270, 794540, 4250789, 8501578, 17003156, 21253945, 42507890, 85015780]

約数ペア:

[(1, 85015780), (2, 42507890), (4, 21253945), (5, 17003156), (10, 8501578), (20, 4250789), (107, 794540), (214, 397270), (428, 198635), (535, 158908), (1070, 79454), (2140, 39727)]