86425420

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4423}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 181720224

約数和(自身を除く): 95294804

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4423, 4885, 8846, 9770, 17692, 19540, 22115, 44230, 88460, 4321271, 8642542, 17285084, 21606355, 43212710, 86425420]

約数ペア:

[(1, 86425420), (2, 43212710), (4, 21606355), (5, 17285084), (10, 8642542), (20, 4321271), (977, 88460), (1954, 44230), (3908, 22115), (4423, 19540), (4885, 17692), (8846, 9770)]