252187820

素因数分解:

$2^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{5153}}^1$

素因数の和:7609

約数の個数: 24

約数和(自身を含む): 529913664

約数和(自身を除く): 277725844

約数列:

[1, 2, 4, 5, 10, 20, 2447, 4894, 5153, 9788, 10306, 12235, 20612, 24470, 25765, 48940, 51530, 103060, 12609391, 25218782, 50437564, 63046955, 126093910, 252187820]

約数ペア:

[(1, 252187820), (2, 126093910), (4, 63046955), (5, 50437564), (10, 25218782), (20, 12609391), (2447, 103060), (4894, 51530), (5153, 48940), (9788, 25765), (10306, 24470), (12235, 20612)]