80591180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108907}}^1$

素因数の和:108953

約数の個数: 24

約数和(自身を含む): 173817168

約数和(自身を除く): 93225988

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 108907, 217814, 435628, 544535, 1089070, 2178140, 4029559, 8059118, 16118236, 20147795, 40295590, 80591180]

約数ペア:

[(1, 80591180), (2, 40295590), (4, 20147795), (5, 16118236), (10, 8059118), (20, 4029559), (37, 2178140), (74, 1089070), (148, 544535), (185, 435628), (370, 217814), (740, 108907)]