71421580

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{18503}}^1$

素因数の和:18705

約数の個数: 24

約数和(自身を含む): 150770592

約数和(自身を除く): 79349012

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 18503, 37006, 74012, 92515, 185030, 370060, 3571079, 7142158, 14284316, 17855395, 35710790, 71421580]

約数ペア:

[(1, 71421580), (2, 35710790), (4, 17855395), (5, 14284316), (10, 7142158), (20, 3571079), (193, 370060), (386, 185030), (772, 92515), (965, 74012), (1930, 37006), (3860, 18503)]