25319660

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5297}}^1$

素因数の和:5545

約数の個数: 24

約数和(自身を含む): 53403840

約数和(自身を除く): 28084180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5297, 10594, 21188, 26485, 52970, 105940, 1265983, 2531966, 5063932, 6329915, 12659830, 25319660]

約数ペア:

[(1, 25319660), (2, 12659830), (4, 6329915), (5, 5063932), (10, 2531966), (20, 1265983), (239, 105940), (478, 52970), (956, 26485), (1195, 21188), (2390, 10594), (4780, 5297)]