87432860

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{22651}}^1$

素因数の和:22853

約数の個数: 24

約数和(自身を含む): 184568496

約数和(自身を除く): 97135636

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 22651, 45302, 90604, 113255, 226510, 453020, 4371643, 8743286, 17486572, 21858215, 43716430, 87432860]

約数ペア:

[(1, 87432860), (2, 43716430), (4, 21858215), (5, 17486572), (10, 8743286), (20, 4371643), (193, 453020), (386, 226510), (772, 113255), (965, 90604), (1930, 45302), (3860, 22651)]