28297420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45641}}^1$

素因数の和:45681

約数の個数: 24

約数和(自身を含む): 61342848

約数和(自身を除く): 33045428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45641, 91282, 182564, 228205, 456410, 912820, 1414871, 2829742, 5659484, 7074355, 14148710, 28297420]

約数ペア:

[(1, 28297420), (2, 14148710), (4, 7074355), (5, 5659484), (10, 2829742), (20, 1414871), (31, 912820), (62, 456410), (124, 228205), (155, 182564), (310, 91282), (620, 45641)]