102575420

素因数分解:

$2^2\times 5^1\times {\mathrm{5128771}}^1$

素因数の和:5128780

約数の個数: 12

約数和(自身を含む): 215408424

約数和(自身を除く): 112833004

約数列:

[1, 2, 4, 5, 10, 20, 5128771, 10257542, 20515084, 25643855, 51287710, 102575420]

約数ペア:

[(1, 102575420), (2, 51287710), (4, 25643855), (5, 20515084), (10, 10257542), (20, 5128771)]