172945340

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{5381}}^1$

素因数の和:6997

約数の個数: 24

約数和(自身を含む): 363478752

約数和(自身を除く): 190533412

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 5381, 6428, 8035, 10762, 16070, 21524, 26905, 32140, 53810, 107620, 8647267, 17294534, 34589068, 43236335, 86472670, 172945340]

約数ペア:

[(1, 172945340), (2, 86472670), (4, 43236335), (5, 34589068), (10, 17294534), (20, 8647267), (1607, 107620), (3214, 53810), (5381, 32140), (6428, 26905), (8035, 21524), (10762, 16070)]