28620820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14753}}^1$

素因数の和:14859

約数の個数: 24

約数和(自身を含む): 60727464

約数和(自身を除く): 32106644

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14753, 29506, 59012, 73765, 147530, 295060, 1431041, 2862082, 5724164, 7155205, 14310410, 28620820]

約数ペア:

[(1, 28620820), (2, 14310410), (4, 7155205), (5, 5724164), (10, 2862082), (20, 1431041), (97, 295060), (194, 147530), (388, 73765), (485, 59012), (970, 29506), (1940, 14753)]